In lab, a student weighed out 1.636 g of unknown in a beaker. The student added 60 mL DI water and followed the protocol in the lab to filter and dry the product, which had a final mass of 0.522 g. The filtrate was tested, and the student determined that CaCl2•2H2O was the limiting reactant. Determine the percent by mass composition of CaCl2•2H2O in the original unknown sample.
In lab, a student weighed out 1.636 g of unknown in a beaker. The student added 60 mL DI water and followed the protocol in the lab to filter and dry the product, which had a final mass of 0.522 g. The filtrate was tested, and the student determined that CaCl2•2H2O was the limiting reactant. Determine the percent by mass composition of CaCl2•2H2O in the original unknown sample.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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In lab, a student weighed out 1.636 g of unknown in a beaker. The student added 60 mL DI water and followed the protocol in the lab to filter and dry the product, which had a final mass of 0.522 g.
The filtrate was tested, and the student determined that CaCl2•2H2O was the limiting reactant. Determine the percent by mass composition of CaCl2•2H2O in the original unknown sample.
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