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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?

  • Chemistry -

    Personally I think the problem is stated in a screwy fashion. I don't get the "effective" dilution. Where did the Cl come from?

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