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Copper is changed to copper(II) ions by nitric acid according to the following equation:

4HNO3 + Cu → Cu(NO3)2 + 2NO2 + 2H2O

How many moles of HNO3 must react to produce 0.961 mol of NO2?

1 answer

.961/2= ?/4

so 2*.961 moles

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