Q5: A sample of 0.676g of an unknown compound containing barium ions (Ba+) is dissolved in water and treated with an excess of NazSO4. If the mass of BasO, precipitate formed is 0.4105g. What is the percent by mass of Ba in the original unknown compound?

Q: Consider the reaction: CaCl2(aq) + 2A9NO3(aq) → Ca(NO3)2(aq) + 2A9CI(s) How many grams of CaCl,…

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Q: Many metal ions are precipitated from a solution by the sulfide ion. As an example, consider…

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Q: Consider the reaction: CaCl:(aq) + 2AgNO3(aq) → Ca(NO3)>(aq) + 2A9CI(s) How many grams of CaCl2…

A: For this question, first find out moles of AgNO3 using molarity formula. Then use mol to mol ratio…

Q: If 17.0 g of CH₃OH (MM = 32.04 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: We know that,  Molarity = number of moles/ Volume in litre  Number of moles = mass / molecular mass…

Q: 1.6088 g mixture of K2SO4 and Na2SO4 is dissolved in water, and BaNO3 is added to the solution to…

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Q: Will KClO4 precipitate when 20 mL of a 0.050-M solution of K+ is added to 80 mL of a 0.50-M solution…

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Q: How many grams of Cu(OH)2 will precipitate when excess NaOH solution is added to 51.0 mL of 0.731 M…

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Q: Consider the reaction of 30.0 mL of 0.246 M Bal2 with 20.0 mL of 0.315 M Na3PO4. Since the…

A: This is an oxidation-reduction (redox) reaction:   PV - 3 e- → PVIII (oxidation)   3 NaI + 3 e- → 3…

Q: A sample of 0.7960 g of an unknown compound containing barium ions (Ba5 is dissolved in water and…

A: The given compound is BaSO4. The molar mass of BaSO4 = Molar mass of Barium + Molar mass of Sulphur…

Q: Barium chromate, BaCrO4(s), is an insoluble yellow solid. Calculate the mass of barium chromate that…

A: The reaction for the process is : Ba(NO3)2 (aq)  +  K2CrO4 (aq)  →  BaCrO4 (s)  +  2KNO3 (aq) Barium…

Q: Solid sodium carbonate is slowly added to 175 mL of a 0.279 M barium sulfide solution until the…

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Q: what mass of iron (III) hydroxide percipitate can be produced by reacting 86.0 mL of 0.110M iron…

A: Reaction is given below:

Q: Solid potassium phosphate is slowly added to 125 mL of a 0.489 M lead nitrite solution until the…

A: Given: Concentration of lead phosphate = 1×10-54

Q: 3. A 0.8838-g sample of an ionic compound containing bromide ions and an unknown metal cation is…

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Q: What mass of iron(III) hydroxide precipitate can be produced by reacting 75.0 mL of 0.105 M…

A: Number of moles of a substance can be calculated by using Molarity ( M ) and volume of solution ( V…

Q: 3) A company needs to verify the amount of nitrogen in their new "QuikGreen" fertilizer product. To…

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Q: What is the final concentration of Na+ in a solution created by mixing 200 mL of 0.40M NaCl with 800…

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Q: What mass of precipitate (in g) is formed when 20.5 mL of 0.500 M Cu(NO₃)₂ reacts with 24.0 mL of…

A: Cu(NO₃)₂ + 2 NaOH = Cu(OH)2 + 2 NaNO3. From the above chemical equation we can see that , 1 mol…

Q: 4) A 50 mL sample taken from a vinegar sample was diluted to 500 mL with distilled water. The 25.0…

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Q: When aqueous solutions of sodium hydroxide and iron (II) nitrate are mixed, a red gelatinous…

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Q: When MgCl2 (aq) reacts with Na2CO3 (ag), what will be the chemical formula of the precipitate? Type…

A: When MgCl2(aq) and Na2CO3(aq) react then the name of the precipitate formed = ?  Write NR if no…

Q: A combination of Planet X elements (vibranium and bazoolium) and Earth elements are being studied in…

A: Given data,Molarity of V(NO3)2=0.60MVolume of V(NO3)2=142.5mL=0.1425LMolarity of BzI=0.80MVolume of…

Q: For the reaction Ba(NO3)2+H2SO4 =BaSO4+2HNO3 how many grams of Ba(NO3)2 are required to…

A: The answer is givt below

Q: A sample contains MgCl2 (95.211 g/mol) and KCl (74.551 g/mol). A 6.3674-g sample was dissolved in…

A: Precipitation refers to formation of product as solid mass that settles at the bottom. Such…

Q: Yes or no. Will a precipitate from when solutions of Ba(NO3)2 and KOH are mixed?

A: Given,KOH and Ba(NO3)2

Q: The addition of 0.3800 L of 1.150 M KCl to a solution containing Ag* and Pb2 + ions is just enough…

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Q: How many grams of Cu(OH)2 will precipitate when excess NaOH solution is added to 72.0 mL of 0.578 M…

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Q: A sample of 0.7160 g of an unknown compound containing barium ions (Ba2+) is dissolved in water and…

A: Percent Mass of element in a compound is mass of element to the mass of compound.

Q: if 25.0ml of 0.104 m bacl solutions is pipetted into 100. ml volumetric flask and water added to the…

A: Given data => Intial volume = 25mL = V1 Intial concentration = 0.104m = M1 Final volume = 100mL =…

Q: You can test For the presence of chloride ions in a sample of water by adding silver nitrate AgNO3,…

A: Given,         CaCl2(aq) + 2AgNO3 (aq)  -------> 2 AgCl (s)+ Ca(NO3)2 (aq) CaCl2 = 1.50 g ,  mass…

Q: If 25.2 mL of AgNO3 is needed to precipitate all the Cl ions in a 0.775-mg sample of KCI (forming…

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Q: Q5: A sample of 0.676g of an unknown compound containing barium ions (Ba+) is dissolved in water and…

A: The required reaction is : Ba2++ Na2SO4→BaSO4+2 Na+ mass of BaSO4 precipitated =0.4105 g

Q: What quantity in moles of precipitate will be formed when 100.0 mL of 2.00 M Nal is reacted with…

A: NOTE: Since you have asked multiple questions, we will solve the first question for you. If you want…

Q: 1.0 L of 0.75 M solutions of AgNO3 and BaCl2 are mixed. The following reaction occurs:…

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Q: To a 1.00 L solution of 0.35 M Na2SO4, you add 5 mL of 9.89 M Ca(NO3)2 to produce the insoluble…

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Q: Which one of the following would form a precipitate when mixed with aqueous Ba(NO,)2? A) Na,SO, B)…

A: In the aq medium of Ba(NO3)2 these following reactions can take place - Ba(NO3)2(aq)             +…

Q: What mass of Fe(OH)3 will be obtained

A: Molarity = number of moles of solute/volume of solution (in L) So, moles = Molarity × volume(in L)…

Q: The addition of 0.3800 L of 1.150 M KCl to a solution containing Ag* and Pb2 + ions is just enough…

A:

Q: A sample contains MgCl2 (95.211 g/mol) and KCl (74.551 g/mol). A 6.6933-g sample was dissolved in…

A: Mass of sample = 6.6933 g The sample contains KCl and MgCl2 which will furnish Cl- in the solution.…

Q: If 10 mL of 0.5 M Pb(NO3)2 solution is added into 20 mL 0.5 M KI solution, how many grams of Pbl2…

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Q: A sample of 0.5220 g of an ionic compound containing the bromide ion (Br-) is dissolved in water and…

A: First, calculate the moles of AgBr from the given mass as: Molar mass of AgBr = 107.8682 g/mol +…

Q: A sample contains MgCl2 (95.211 g/mol) and KCl (74.551 g/mol). A 6.3674-g sample was dissolved in…

A: Molar mass of MgCl2 = 95.211 gmol Molar mass of KCl = 74.551 gmol Mass of sample = 6.3674 g Volume…

Q: 2 What volume of 0.248 M CaCl2 must be added to 335mL of 0.186 M KCI to produce a solution with a…

A: The final concentration of the substance in the solution can be expressed as the ratio of the total…

Q: Enter your answer in the provided box. A sample of 0.7960 g of an unknown compound containing barium…

A: The unknown sample containing Ba+² ions = 0.7960 g The Baso4 precipitate formed is = 0.8801 g First…

Q: When 0.620 g of BaCl2·2H2O(molar mass = 244 g/mol) and 0.782g of Na3PO4.12H2O (molar mass = 380…

A: Recall the reaction that will occur between 0.620 g of BaCl2.2H20 and 0.782 g of Na3PO4.12H20…

Q: 3) A company needs to verify the amount of nitrogen in their new "QuikGreen" fertilizer product. To…

A: Answer :- Moles of HCL before titration when NH3 is dissolved in it :- Moles HCl = 0.989 M x .05 L =…

Q: Write the balanced COMPLETE ionic equation for the reaction when aqueous NiCb and aqueous Na»S are…

A: The balanced complete ionic equation for the reaction when aqueous NiCl2 and aqueous Na2S are mixed…