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April 16, 2014

Homework Help: Chemistry

Posted by annie on Tuesday, October 23, 2012 at 10:26am.

A sample of the compound prepared in this experiment, weighing .1021g, is dissolved in HNO3 and diluted to a volume of 100mL. A 10mL aliquot of that solution is mixed with 10mL 6 M NH3. The [Cu(NH3)4 2+] in the resulting solution is 5.16x10^-3 M.

How many moles of Cu were in the original sample, which had been effectively diluted to a volume of 200mL?

How many grams of Cu were in the sample?

How many grams of Cl were in the sample?How many moles?


What is the formula of the Copper Chloride compound?

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