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A 4.2 g mixture of the solid salts Na2S04 (molar mass = 142.04 g/mol) and Pb(NO3)2 (molar mass =331.20 g/mol) forms an aqueous solution with the precipitation of PbS04 (molar mass =303.26 g/mol). The precipitate was filtered and dried, and its mass was determined to be 3.9 g. What is the total mass in (g) of the reacted Na2s04 and Pb(NO3)2?

A 4.2 g mixture of the solid salts Na2S04 (molar mass = 142.04 g/mol) and Pb(NO3)2 (molar mass =331.20 g/mol) forms an aqueous solution with the precipitation of PbS04 (molar mass =303.26 g/mol). The precipitate was filtered and dried, and its mass was determined to be 3.9 g. What is the total mass in (g) of the reacted Na2s04 and Pb(NO3)2?

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter4: Reactions In Aqueous Solution
Section: Chapter Questions
Problem 77QAP: A 300.0-g sample of a solid is made up of a uniform mixture of NaNO3, MgCl2, and BaCl2. A 100.0-g...
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A 4.2 g mixture of the solid salts Na2SO4 (molar mass = 142.04 g/mol) and Pb(NO3)2 (molar mass =331.20 g/mol) forms an aqueous solution with the precipitation of PbS04 (molar mass =303.26 g/mol). The precipitate %3D was filtered and dried, and its mass was determined to be 3.9 g. What is the total mass in (g) of the reacted Na2S04 and Pb(NO3)2?
Transcribed Image Text:A 4.2 g mixture of the solid salts Na2SO4 (molar mass = 142.04 g/mol) and Pb(NO3)2 (molar mass =331.20 g/mol) forms an aqueous solution with the precipitation of PbS04 (molar mass =303.26 g/mol). The precipitate %3D was filtered and dried, and its mass was determined to be 3.9 g. What is the total mass in (g) of the reacted Na2S04 and Pb(NO3)2?
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