Student InformationChem159 - Practice 5 CompoundsNo. of QuestionsWork TimeLiam A Fox (laf251)Practice20297:49:476 789.1011 12 1314151617 181920(Not Answered)45.3 g of magnesium sulfate heptahydrate is heated in an oven until all the water is driven off. What is the mass of the anhydrouscompound?.9.28 g21.5 g23.8 g22.1 g (Correct answer)23.2 g

Answered: Image /qna-images/answer/861682d9-cd9d-4618-befa-cdce315b2f13.jpg

(Not Answered) 45.3 g of magnesium sulfate heptahydrate is heated in an oven until all the water is driven off. What is the mass of the anhydrous compound?. 9.28 g 21.5 g 23.8 g 22.1 g (Correct answer) 23.2g

(Not Answered) 45.3 g of magnesium sulfate heptahydrate is heated in an oven until all the water is driven off. What is the mass of the anhydrous compound?. 9.28 g 21.5 g 23.8 g 22.1 g (Correct answer) 23.2g

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter2: Atoms, Molecules, And Ions

Section: Chapter Questions

Problem 2E: Which postulate of Dalton’s theory is consistent with the following observation concerning the...

See similar textbooks

Related questions

Q: You have decided to try a new video game called World of Alchemist Hordes (WoAH) and created a…

Q: A sample of 15.00 g of a hydrated sodium sulfate salt contains 7.05 g of water. The value of the "x"…

Q: Which would weigh more? 100 mL of water or 100 mL of cyclohexene? (Density of water is 1.00 g/mL…

Q: A mixture has 24 grams of salt and 36 grams of sugar. What is the percenta salt in this mixture?*…

Q: Table 2 Mg²+ Li¹+ Nhật ● OH¹- CO3²- PO43-

Q: Analytical chemist from Petroleum Development Oman extracted petroleum from crude oil and measured…

A: Please have a look into the solution:

Q: 6.When 600 grams of a 3.00% solution by mass of Boric Acid (H3BO3) are crystallized, what mass of…

A: Given : Mass of solution = 600 g And % by mass of H3BO3 = 3.00 %

Q: QUESTION 2 How many significant figures do each of the following values have: a) 0.002305 4 v b)…

A: Rules for significant figures:1. All non- zero digits are significant. 2. A zero becomes significant…

Q: How many grams of dextrose are in 750 mL of D5W?

A: Given D5W= 5 gram of dextrose in 100 ml of water.

Q: Which quantity represents an inexact number? Question 29 options: A basket contains 12 apples.…

A: Exact numbers, such as the number of people in a room, have an infinite number of significant…

Q: Round off to three significant figures and express in scientific notation. 5900000 L 5.9×106L…

Q: Suppose you separate a 2.02 g mixture of sand and salt and recover 1.34 g of salt. What is the…

A: Given data Mass of mixture of sand and salt=2.02g Mass of salt recover=1.34g

Q: QUESTION 6 Please answer the questions below completely. Show ALL work for credit. Give all answers…

Q: In lab, you determine that the mass of a Florence flask and a piece of aluminum foil weigh 39.821 g.…

Q: A stack of ten pennies is found to have an average % composition of copper equal to 2.52% by mass.…

A: Given that : Average % of copper = 2.52 % The total mass of ten pennies = 25.2 g We have to…

Q: Which represents the greatest number of atoms? Group of answer choices 15 g of Cu 15 g of Zr 15 g of…

A: no. of atoms in Cu = 15 X 6.023X1023/ 63.5 = 1.42 X 1023 no. of atoms in Zr = 15 X 6.023X1023/ 91.22…

Q: O STOICHIOMETRY Interconverting number of atoms and mass of compound Calculate the mass of camphor…

A: Molar mass of C10H16O is by mole cocept

Q: Part A The recommended daily allowance of calcium for those between 19 and 24 years old is 1.2 g of…

Q: what will you input as your final answer? 2. Round off 0.274 to two (2) significant figures 3. Round…

A: NOTE: please note for first question there is no mention of number of significant figures required.…

Q: Question 2 Density is the ratio of the volume of a sample to its mass. mass density = volume What's…

A: density is defined as mass per unit volume. Density is vary from element to element.

Q: How many grams are in 1.73 mol of dinitrogen pentoxide (N2O5)?

Q: How many carbon atoms are in 2.63 moles of C3H8? *Input answer as: 6.022x10^23 Use correct number of…

A: One mole of any substance will have 6.022x1023 atoms.

Q: iple Choice: In kilogram(s), what is the mass of 3 moles of platinum? a. 0,69 b. 0,59 c. 0,79

A: Mole is defined as the unit which relates the amount of the substance with a number of atoms present…

Q: hic be sure your answer nas the correct sign! CH4 + 202 --> CO + 2H20 AH = -803 kJ/mol OR C H4+2 02…

Q: d. Given that 6.02 x 1023 ethanol molecules have a mass of 46.04 g, calculate the number of ethanol…

A: Number of molecules of ethanol in the film can be calculated from the mass of ethanol in the film.

Q: Question 10) Water (H2O) contains 8 grams of oxygen for every 1 gram of hydrogen. Show why this…

Q: question. The melting point of an unknown solid is determined to be 40°C. What is this temperature…

A: Celcius, Fahrenheit and Kelvin are all units of temperature and can be converted from one unit to…

Q: 101 Chem101 O 8 https://app.101edu.co Question 8 of 9 Submit What is the mass in grams of 2.50 gal…

Q: calculate the mass in grams of 3.59 L of bromobenzene that has a density of 0.37 g/cm^3 Report…

Q: If the average mass of a tablet is 0.5 g, how much tablet powder will contain 0.45 g of ibuprofen…

A: Given, mass of tablet = 0.5 g ibuprofen content = 400 mg

Q: QUESTION 2 7. McDonalds sells approximately 4.2 million hamburgers a day. (1 million = 1 x 106) How…

A: Given : Number of hamburgers sold per day = 4.2 million/day = 4.2 X 106 /day. Mass of meat per…

Q: Phosphorus has the molecular formula P4 and sulfur has the molecular formula S8. How many grams of…

A: Given: Mass of S8 = 641 g Molar mass of S8 = 256.48 g/mol Molar mass of P4 = 123.88 g/mol

Q: Trial 1 Trial 2 Mass of empty crucible with lid 26.698g 26.687g Mass of Mg metal, crucible, and…

A: Mass of MgO ( actual yield ) can be calculated as Mass of MgO = [ Mass of MgO + Crucible+lid ] - […

Q: Suppose you measure a volume of 9.0 mL and a mass of 7.04 g for your first distillate. What is the…

A: Density - Density is basically the degree of compactnesss of a system.

Q: TUBE 1 2 4 6 7 8 9. 500ul-a 500ul-b 500ul-c 50ul-a 50ul-b 50ul-c 5ul-a 5ul-b 5ul-c LABEL Initial…

A: We are given 3 experimental values for each measurement, and we have to find standard deviation for…

Q: A jar of honey is 44.6% (m/m) sugar. How many grams of sugar are in 4.3 kg of honey?

Q: A substance has a density of 0.469 g/mL. What volume in mL does a 133 g sample contain? answer to 3…

A: Density (d) :- The ratio of mass of a substance to its volume is called density Density =…

Q: 17

A: Given: 29 chunks of iron, 15 chunks of silver, 17 chunks of platinum

Q: Question 3 Review the following statements regarding the top-loading balance and select all…

A: Following are the true statements for top-loading balance .

Q: What mass of NaNO3 (in g) is needed? Express your answer using two significant figures. ΑΣΦ m Submit…

A: The question is based on the concept of solutions. molarity is a method of expressing…

Q: Chemistry 310 Lab 3 – Measurements Name Report Sheet Part 1: Obtain mass of a liquid in a beaker…

A: Mass of water is equal to the difference in the mass of beaker filled with water and mass of empty…

Q: Remdesivir is a broad-spectrum antiviral medication that is currently being used to treat Covid- 19.…

Q: Concentration of NaCI Solution. The aqueous solution of NaCl has a concentration (weight basis) of…

A: As the question contains more than 3 subparts so only the first three are solved in this solution if…

Q: Video data Student data Weight of Salicylic acid 2.027 g 2.014 g 0.355 g 354 g Weight of weighing…

A: 1 mole salicylic acid gives 1 mole aspirin. From data mole ratio of reactant and product have to…

Q: MassPercent1. An oven-cleaning solution is 40.0% NaOH (by mass). If one jar of this product contains…

A: Since we know that Mass % =( mass of solute/mass of solution)×100%

Q: If the mass of the water is 9.9 grams, and the temperature of the water is 20 degrees Celsius, what…

A: Mass of water = 9.9gram volume =? density of water at 20 degree = 998.2071kg/m3 Or 0.9982g/mL

Q: Question 6.) What is the mass percent of potassium chloride when 9.35 grams of potassium chloride is…

A: Given: The mass of KCl in the solution ,(m) = 9.35 g. The mass of water in the solution, (M) =…

Q: Find the number of ibuprofen molecules in a tablet containing 155.0 mg of ibuprofen (C13 H18 O2).…

Q: Experimental data. Your data are shown in lines 1-5 that you measured in the lab. Fill in the table…

A: Mass of hydrated salt = Mass of fired crucible, lid, and hydrated salt – Mass of fired crucible and…

Q: What is the mass (in grams) of 1.05 moles of Fe? Answer in decimal notation, without units, to 3…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Question

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

An element X bas five major isotopes, which are listed below along with their abundances. What is the element? Isotope Percent Natural Abundance Mass (u) 46x 8.00% 45.95232 47x 7.30% 46.951764 48x 73.80% 47.947947 49x 5.50% 48.947841 50x 5.40% 49.944792
Ifan average fluorine atom has a mass of 3.161023 g, what is the average mass of a chlorine atom in grams?
3.80 Which one of the following metal samples cannot possibly exist? not? (a) a piece of gold foil 10-6 m thick (b) 5 mg of platinum (c) 10-24 mol of aluminum (d) a copper wire 0.1 mm in diameter
You find a compound composed only of element X and chlorine. and you know that the compound is 13.10% X by mass. Each molecule of the compound contains six times as many chlorine atoms as X atoms. What is element X?
Atomic masses are relative masses. What does this mean?
If one can find the ratio of the number of moles of the elements in a compound to one another, one can find the formula of the compound. In a certain compound of copper and oxygen, CuxOy, we find that a sample weighing 0.9573g contains 0.7649gCu. a. How many moles of Cu are there in the sample? (MolesofCu=massofCumolarmassofCu) _moles b. How many gram of O are there in the sample? The mass of the sample equals the mass of the Cu plus the mass of O. _g c. How many moles of O are there in the sample. _moles d. What is the mole ratio (molesofCu/molesofO) in the sample? _:1 e. What is the formula of the oxide? The atom ratio equals the mole ratio and is expressed using the smallest integers possible. _ f. What is the molar mass of the copper oxide? _g/mol
In chemistry, what is meant by the term mole? What is the importance of the mole concept?
Natural rubidium has the average mass of 85.4678 u and is composed of isotopes 85Rb (mass = 84.9117 u) and 87Rb. The ratio of atoms 85Rb/ 87Rb in natural rubidium is 2.591. Calculate the mass of 87Rb.
3.112 In one experiment, the burning of 0.614 g of sulfur produced 1.246 g of sulfur dioxide as its only product. In a second experiment run to verify the outcome of the first, a sample was burned and 0.813 g of sulfur dioxide was obtained, but the student running the experiment forgot to determine the initial mass of sulfur burned. Describe how the data already obtained could be used to calculate the initial mass of the sulfur burned in the second experiment.
Malic acid, an organic acid found in apples, contains C, H, and O in the following ratios: C1H1.50O1.25 What is the empirical formula of malic acid?
Which postulate of Dalton’s theory is consistent with the following observation concerning the weights of reactants and products? When loo grams of solid calcium carbonate is heated, 44 grams of carbon dioxide and 56 grams of calcium oxide are produced.