Asked by Anonymous

how many moles of nitrate ions are in 10.00 grams of copper(II) nitrate?".
Answered by DrBob222
How many moles are in 10.00 g Cu(NO3)2?
That is moles = grams/molar mass

Then there are 2 nitrate ions per molecule of Cu(NO3)2 so nitrate ions must be just twice that.
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