answer with the correct number of significant figures but without "%" (Canvas will not let you to enter units in this problem).   2) What is the theoretical mass % of water in the hydrate if the salt is BaCl2 x 2H2O? Make sure you use enough significant figures for the atomic weights of the elements and round your answer to 3 decimals.   3) What is the mass of the hydrate placed in the crucible?   4) What is the mass of the anhydrous salt?

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
Chapter1: Essential Ideas
Section: Chapter Questions
Problem 33E: The density (d) of a substance is an intensive property that is defined as the ratio of its mass (m)...
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The mass of preheated crucible with cover was 12.1125 g. After the hydrate sample was added, the weight increased to 13.1533 g. After heating the crucible for three times in order to remove hydrate water and bring it to the constant weight the lowest of the three mass measurements was 12.9971 g.

 

1)What is the mass percent of water in the hydrate? Please report your answer with the correct number of significant figures but without "%" (Canvas will not let you to enter units in this problem).

 

2) What is the theoretical mass % of water in the hydrate if the salt is BaCl2 x 2H2O? Make sure you use enough significant figures for the atomic weights of the elements and round your answer to 3 decimals.

 

3) What is the mass of the hydrate placed in the crucible?

 

4) What is the mass of the anhydrous salt?

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9781938168390
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OpenStax