Mass of copper chloride used 1.750 g . Initial mass of zinc strip 2.650 g . Final mass of zinc strip 2.050 g . Mass of empty evaporating dish 49.000 g . Mass of dried copper metal in dish (first weighing) 49.689 g . Masses of copper in dish for successive weighings 49.605 g 49.600 g Questions?  1. Your original “hydrated” copper chloride sample is 21.2% water. Calculate the mass of water in your sample.

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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
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Mass of copper chloride used 1.750 g .
Initial mass of zinc strip 2.650 g .
Final mass of zinc strip 2.050 g .
Mass of empty evaporating dish 49.000 g .
Mass of dried copper metal in dish (first weighing) 49.689 g .
Masses of copper in dish for successive weighings 49.605 g 49.600 g

Questions? 

1. Your original “hydrated” copper chloride sample is 21.2% water. Calculate the mass of water in your sample. 
2. Calculate the mass of the “anhydrous” (without water) copper chloride in your sample. 
3. Calculate the mass and moles of pure dry copper you recovered. 
4. Calculate the % copper in the anhydrous copper chloride. 

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