A pure sample of an unknown molecule has a mass of 35.51 g and contains 0.2000 moles. What is the molecular (molar) mass of the substance? O 177.55 g/mol O 7.102 g/mol O.0056 g/mol 5.63 g/mol
Q: molecular formula for this compound
A: The empirical formula of compound is CH2 The empirical formula mass of compound is 14.0 g The molar…
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A: Correct answer is (c) 1.0 mol of F2 . (a) Moles of F = 25/20 = 1.25 mol (b) Moles of F = 1.50 mol…
Q: What is the mass (in grams) of 2.40 x 1024 CS2 (tear gas) molecules? [Note: Molar Masses (g/mole): C…
A: Atomic mass of C = 12 g mol-1 Atomic mass of S = 32.1 g mol-1 Number of CS2 molecules = 2.40 × 1024
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Q: A molecular compound is found to consists 30.4% nitrogen and 69.6% oxygen. if the molecule contains…
A: Given Composition of N = 30.4 % Composition of O = 69.6 %
Q: NaHCO3 is the active ingredient in baking soda. How many grams of oxygen are in 0.42 g of NaHCO3?…
A: Given, The mass of NaHCO3 = 0.42 g. Molar mass of NaHCO3 = 84.01 g/mol…
Q: moles
A:
Q: What is the molar mass of ibuprofen, C13H18O2? A) 206.3 g/mol B) 289.4 g/mol C) 29.0 g/mol D)…
A: Molar mass of C = 12.01 g/mol Molar mass of H = 1.008 g/mol Molar mass of O = 16.00 g/mol
Q: How many moles of S
A: Number of moles = mass/molar mass Molar mass of S = 32.065 g/mol Molar mass of SO2 = 64.066 g/mol
Q: Find the number of moles of oxygen atoms in 0.0481 g of CO2(g). The molar mass of CO2 is 44.01 g/mol
A: number of moles of CO2 = mass of CO2/ mol. mass of CO2 =0.0481/44 =0.00109 moles of CO2 we know in…
Q: Freon-12 (CCI2 F2) is used as a refrigerant in air conditioners and as a propellant in aerosol cans.…
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Q: Calculate the molar mass of calcium nitrate. O 132.10 g/mol O 136.03 g/mol 102.09 g/mol O none of…
A: Molecular mass of the compound is the sum of the atomic mass of all the atoms present in compound.…
Q: How many moles are contained in each number of grams of table sugar (C 12H 22O 11, molar mass 342.3…
A: Given data molar mass of sugar ( C12H22O11 ) = 342.3 g/mole mass of sugar part(a) 0.500 g…
Q: 20. How many molecules are contained in each of the following: (a) 1.75 mol Cl, (b) 0.27 molC,H,O…
A:
Q: Calculate the number of mol corresponding to:a. 15.0 g NaCl b. 15.0 g Na2SO4
A: Given, Mass is given. Formula Used, moles (n)=Given MassMolar Mass
Q: 12. It contains the greatest number of atoms. A. 4.0 mol NH3 B. 6.0 moles CO C. 3.0 moles SO3 D.…
A:
Q: Which sample has the largest number of oxygen atoms? a. 3.0 mol H20 b. 2.5 mol of CO2 c. 2.0 mol of…
A:
Q: The moler mass of sulfur tetrafluoride is A. 54.10 g\mol B. 358.60 g/mol C. 108.07 g/mol D.…
A:
Q: The molar mass of Fluorine (F) is 19.0 g/mol. Calculate the molar mass of F2. O 6.31 x 10-23 g/mol…
A: Molar mass of a compound is the sum of individual elements multiplied by their molar masses.
Q: What is the molar mass of 27.8 mg of a compound that is made up of 3.80 x 1020 molecules? 44.1 g/mol…
A:
Q: Particular thermos can hold 473.2 ML of warm beverage. If the Thermo is filled with hot cocoa, which…
A: Given that,Concentration of the sugar = 0.23 M = 0.23 mol/L Capacity of the solution in thermos =…
Q: 25.0 g sample of Ca(NO3)2.
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: An oxide of nitrogen contains 63.1% oxygen and has a molar mass of 76.0 g/mol. A. What is the…
A: The oxide contain % of O = 63.1 % % of N = 100-63.1 = 36.9 %
Q: How many grams of N2 are needed to make 444 g of NBr3 ? N2 + 3 Br2 → 2 NBr3 + 44.0 kJ…
A:
Q: Calculate number of moles for the following quantities: a) 1.29 g NaOH b) 4.50 g NaCl c) 50.0 g…
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Q: Table 1. The relationship between mass, mole and number of particles Formula of Molar mass Mass (g)…
A:
Q: How many moles of Oxygen atoms (O) are in 25.0 g CO2? (CO2 =44.02 g/mol)
A: A mole is a substance that has the same number of particles present in 12 g isotope of carbon 12.…
Q: The empirical formula of a compound is determined to be HO and its molar mass is known to be 34.016…
A: The empirical formula of a compound is = HO The molar mass of the compound is = 34.016 g/mol We know…
Q: A 30.6 g sample of the compound X,O3 contains 14.4 g of oxygen atoms. What is the molar mass of…
A: According to the question, mass of O-atoms = 14.4 gAs per the mole concept:
Q: 20. How many molecules are contained in each of the following: (a) 1.75 mol Cl, (b) 0.27 molC,H,0…
A: Since you have posted a question with multiple sub-parts, we will solvefirst three sub- parts for…
Q: Calculate the molar mass of each compound. C,H,: g/mol C„H3,02: g/mol
A: Molar mass of a compound calculated by adding the standard atomic masses of atoms present in that…
Q: How many moles of glucose, C,H1206, can be "burned" biologically when 10.0 mol of oxygen is…
A: The given data : The number of moles of Oxygen = 10 To determine = The number of moles of glucose…
Q: 1.) How many moles of Fe2O3 are in 185 g of the compound? number of moles: mol 2.)…
A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…
Q: How many moles are present in 105.6 g of H2SO4? 105.6 mol 98.08 mol 0.9288 mole O 1.077 mole
A: Calculate number of moles of H2SO4 in 105.6 g ?
Q: how many atoms are contained in 2.22 mol O2
A: Given information is as follows: The number of moles of oxygen O2=2.22 mol As we know that 1 mol of…
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Q: A molecule was determined to have a molar mass of 88.3 g/mol. How many moles of the compound are in…
A: Mole Mole is a quantity that represents a collection of 6.022×1023 atoms or molecules. The term…
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Q: many
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Q: What is the mass of one mole of Al2(SO4)3? * O 75.04 g 342.14 g O 75.04 mol 342.14 mol
A:
Q: ) What is the molar mass of calci um carbonate CacoO3) ? A) 55 g/mol B) 68 g/mol C) 100 g/mol D) 112…
A: Molar mass is the mass of a compound in units g/mol. It is the sum of atomic masses of element in…
Q: What is the mass in grams of Na* (22.99 g/mol) in 25.0 g of NazSO4 (142.0 g/mol)?
A: Sodium sulphate is an ionic compound, dissociate into two sodium ions and one sulphate ion as -…
Q: The molar mass of a sulfur molecule (Sg) is a 32.05 g/mol b 140.0 g/mol c 256.5 g/mol d None of the…
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Q: Part C In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol).…
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Q: KHP grams Molar Mass of KHP (A2) 204.22 g/mol moles KHP 1.009 (A11) %3D 204.22 g/mol
A: Mass = 1.009 g Molar mass of KHP = 204.22 g/mol Moles = mass/MM = 1.009/204.22 = 0.00494 mol
Q: a. Calculate the molar mass of P2O5. Molar mass = g/mol b. Calculate the molar mass of Ca3 (PO4)2 -…
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Q: What is the molar mass of nitroglycerin, C3H5(NO3)3? 227 g/mol 179 g/mol 199 g/mol 185 g/mol
A: Molar mass is calculated by the addition of standard atomic masses of the constituent atoms.
Q: What is the molar mass of aspirin, C9H804? A)252.25 g/mol B)180.17 g/mol C)244.17 g/mol D)116.08…
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Q: How many grams of H2 are required to produce 7.50 grams of ammonia NH3? Use the balanced equation…
A: The balanced Chemical Reaction is - N2(g)+3H2(g)⟶2NH3(g) According to the balanced Chemical Reaction…
Q: What amount of moles of PCI3 form given 275 g Cl2 ? 6Cl, → 4PCI, P +
A: ★ Answer : 2.59 moles of PCl3 will be formed. ★ Solution :
Q: Mass Number of Number of Molecules or Number of Atoms Substance (g) Moles Formula Units or lons…
A:
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- (129) ALEKS: Calculating x + X www-awu.aleks.com/alekscgi/x/isl.exe/10_u-IgNsikr7j8P3JH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInCwZsOvg6oljUPZmqCsVfxIjXe3ye87. ☆ 17.4 Solubility and...18.3 Gibbs Free E.. 5.3 Enthalples of... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po... Y SOLUTION: The le Math 115 W-S Fall... A ALEKS-Lara Althawadi X C calculating the solubility of an X esc E O KINETICS AND EQUILIBRIUM Calculating the solubility of an ionic compound when a commo... sp Calculate the solubility at 25 °C of CuBr in pure water and in a 0.0150M CoBr₂ solution. You'll find K, data in the ALEKS Data tab. Round both of your answers to 2 significant digits. 0- solubility in pure water: solubility in 0.0150 M CoBry solution: Explanation 30 Methods for Measuring the pH of an Aqueous Slide 28 of 104 Notes Q A Z Check 2 Comments 9 == W Click to add notes S 3 C с E D 4 C R P -111+ 00 0° F 0.9 0x0 5 G Search or type URL X T 63% X EX G 6 B Y 3 010 7 H ☆ Ⓒ2022 McGraw Hill LLC. All Rights…AaBbCcDd AaBbCcDd AaBbC AaBbCct AaB AaBbCcD 1 Normal 1 No Spac... Heading 1 Heading 2 Title Subtitle 1 Styles Name HHHHH ||||| H-C-C=C-C-C-H | H || HH Name H H-C-H C=C F -H —H H C 1 B. H H Name H H H H1C C H Η Η Η Η Η Η | | | | | | H-C₁-C₂-C₂-C-C-C-H II HH H H-C-H H -H y Find ✓ Replace Select Editing 14°C Cloudy A Dictate Voice F FooHelp 100% 4A To Public Health Ch x * HSC 258 - Major Projec X MindTap - Cengage Lea X C The Illustration To TH d%=55750828934189288909969212&elSBN=9781305657571&id=D1061392007&nbld=21... * Q Search th References Use the References to access important values if needed for this question. For the following reaction, 24.7 grams of sulfur dioxide are allowed to react with 9.95 grams of oxygen gas . sulfur dioxide(g) + oxygen(g) → sulfur trioxide(g) What is the maximum mass of sulfur trioxide that can be formed? grams What is the FORMULA for the limiting reagent? grams What mass of the excess reagent remains after the reaction is complete? Submit Answer
- /document/d/1KWoB0hrXolu7UEKbq4f8LBMHfpjHBRVU3qUzVI7K80U/edit Sample Work Format Tools Extensions Help + nt will $ 4 Normal text R f5 A % T 5 Calibri 12 13. The chemical equation for the decomposition of potassium chlorate (KCIO3 ) is 2 KCIO,(s) → 2 KCl(s) + 3 0₂(g) The molar masses of the elements in this equation are: K: 39.1 g/mol, Cl: 35.4 g/mol, O: 16.0 g/mol 담 ㅁ (b) How many moles of KCI are formed? Pathway: g of KCIO3 → mol KCIO3 → mol KCI Y If 30.6 g of potassium chlorate (KCIO3) reacts.. (a) How many moles of potassium chlorate(KCIO3) are there? Pathway: g of KCIO3 → mol KCIO3 7 + &1 BI U A 3 c) How many grams of KCI are formed? Pathway: g of KCIO3 → mol KCIO3 → mol KCI →g of KCI 18 U fg 8 I no 6 f10 © □ □E - †= = = = insert 9 5 $12 P prt scr L 7 64°F Mostly sunny G 1Conte X ALEK X O Rich x Ceng Bb Excel Bb What X O COVI e Daily x O Amon x e Chat N Ne www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNsikr7j8P3jH-lIJOkWvnm4w-aQ-rw-zRhgRnayfmbBs65spEVIGu-K5Jx48w9eOKISqsha Click to go forward, hold to see history Apps R Blackboard 2Mail - Ava Schied. O UAConnect Biology Syllabus J Labflow - Courses O Explore - HogSync O Packback + MyN Objective Knowledge Check Question 13 Calculate the mass of glucose (C,H,,0,) that contains a trillion (1.0 x 102) oxygen atoms. Be sure your answer has a unit symbol if necessary, and round it to 2 significant digits. I Don't Know Submit O 2020 McGraw-Hill Edu MacBook Dro- OWLV2 | Assig X MindTap Cen X * MindTap - Cen X amu of ca - Go X b My Questions b/ui/evo/index.html?elSBN=9781337790840&id%3D299783426&snapshotld%3D785765& IGAGE MINDTAP 8: Chemical Composition A. e. 1.96 mg of ethane, C2 H6 Answer 41. Calculate the number of moles of carbon atoms present in each of the following samples. a. 1.271 g of ethanol, C2 H; OH b. 3.982 g of 1,4-dichlorobenzene, C6 H4 Cl2 c. 0.4438 g of carbon suboxide, C3 02 d. 2.910 g of methylene chloride, CH2 Cl2 42 Calculate the numher of moles of sulfur afoms present in each of the following samples
- - OWLV2 | Assigr X MindTap Cen X gs MindTap - Cen x Gamu of ca Go X b My Questions static/nb/ui/evo/index.html?elSBN=9781337790840&id%3D299783426&snapshotld%3D7857658& CENGAGE MINDTAP Q sea napter 8: Chemical Composition AA e. aluminum sulfate Answer 51. For each of the following samples of ionic substances, calculate the number of moles and mass the positive ions present in each sample. a. 4.25 g of ammonium iodide, NH,I b. 6.31 moles of ammonium sulfide, (NH4), S c. 9.71 g of barium phosphide, BagP2 d. 7.63 moles of calcium phosphate, Caz (PO4)2 52. For each of the following ionic substances, calculate the percentage of the overall molar mask esc ~ 1. LiAlH4 2. Neutralizing work-up Select to Draw ! F1 F2 < O Q #つ 80 F3 NaCN, HCI Select to Draw $ 000 000 F4 % L F5 Problem 4 c MacBook Air < ( F6 8nt x A ALEKS вЬ Еxcel 20 х Yuzu Re x U Labflow x O COVID-1 x e Daily Cri x O Among 8 GivePu A www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-liJOkWynm4w-aQ-rw-zRhgRnayfmbBs65spECOJQ0Zacn81gbBjC9 B Blackboard O Mail - Ava Schied.. O UAConnect 9 Biology Syllabus H Labflow - Courses V Explore - HogSync ? Packback O CHEMICAL REACTIONS Identifying the limiting reactant in a drawing of a mixture The drawing below shows a mixture of molecules: key carbon hydrogen nitrogen sulfur oxygen chlorine Suppose the following chemical reaction can take place in this mixture: CS,(9)+30,(9) - CO2(9)+2 SO,(9) Of which reactant are there the most initial moles? Enter its chemical formula: Of which reactant are there the least initial moles? Enter its chemical formula: Which reactant is the limiting reactant? Enter its chemical formula: Explanation Check © 2020 McGraw-Hill Educa MacBook Pro II
- A ALEKS - Alec Nema - Learn G Complete the table below, which x C Complete The Table Below, Whici x + > C O A www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-lgNslkr7j8P3jH-IvUrTNdLZh5A8CnG03PBGuXr8iCPa7ZMmym9dT1il1Gkroy7AtUHLxV9FND2YCHj_luf5tjUsCtVPrkHH_G.. Apps Sprouts Academy. O Online Tutoring C 400 Request Heade. Q Weather & Soil CH. O THERMOCHEMISTRY Solving combustion thermochemistry problems Alec v On a 10 day wilderness expedition you'll need to heat 3.0 kg of water to the boiling point each day. The air temperature will average 25 °C. You have available canisters of compressed propane (C,Hg) fuel, which you'll burn to heat the water. Each canister has 50. g of propane in it. What is the minimum number of fuel canisters you must bring? The standard heat of formation of propane at 25 °C is -103.85 kJ/mol. You'll probably find other helpful data in the ALEKS Data resource. 圖 dlo canisters: Exliyanation Check O 2020 McGraw-Hill Education. All Rights Reserved. Terms of Use| Privacy |…overall aden fn tereactiorabwe! .20 what is te overall aae for tereactrobre! 200 0.00 8.00xl0 1. 0. 1000 200x1o? Trual A +BSAB On 12ome File Edit View History Bookmarks Profiles Chai = G numb G aceto Cell t b Answb Answ My DA AL x CA stur CA sol C www-awu.aleks.com/alekscgi/x/isl.exe/1o_u-IgNslkr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInMX9hNGVYTIJ JZmF5TTEgJckvK3y58Hg Solubility and... 18.3 Gibbs Free E... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po... SOLUTION: The le... Math 115 W-S Fall... (51) OSTATES OF MATTER Calculating molality Micro To do Neuro & list of □ esc molarity = molality = 0 Explanation 1 Q A 2 A student dissolves 10. g of styrene (CH₂) in 225. mL of a solvent with a density of 0.96 g/mL. The student notices that the volume of the solvent does not change when the styrene dissolves in it. Calculate the molarity and molality of the student's solution. Round both of your answers to 2 significant digits. Z Check W Tab S 8 # 3 X Window E 0° 0x0 17 D $ 4 C 5 R F % 5 V tv A 6 T | Y G B & 7 H CE U N 8 — J M Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center |…