For each statement choose whether it is True or False. a. Decanting is a separation technique where you want to keep the liquid/aqueous phase of the product. False b. An evaporating dish could be used to recover or even dry a solid product. True C. Assuming no calculations errors, if the percent recovery was < 100% it could be due to loss of copper left in aqueous phase copper compounds. True d. Assuming no calculations errors, if the percent recovery was > 100% it could be because unreacted zinc is still left in the evaporating dish. True

For each statement choose whether it is True or False. a. Decanting is a separation technique where you want to keep the liquid/aqueous phase of the product. False b. An evaporating dish could be used to recover or even dry a solid product. True C. Assuming no calculations errors, if the percent recovery was < 100% it could be due to loss of copper left in aqueous phase copper compounds. True d. Assuming no calculations errors, if the percent recovery was > 100% it could be because unreacted zinc is still left in the evaporating dish. True

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter12: Gravimetric Methods Of Analysis

Section: Chapter Questions

Problem 12.15QAP

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Question

14) is this right?

For each statement choose whether it is True or False.
a. Decanting is a separation technique where you want to keep the liquid/aqueous phase of the
product. False
b. An evaporating dish could be used to recover or even dry a solid product.
True
C. Assuming no calculations errors, if the percent recovery was < 100% it could be due to loss of copper
left in aqueous phase copper compounds. True
d. Assuming no calculations errors, if the percent recovery was > 100% it could be because unreacted
zinc is still left in the evaporating dish. True

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