February 28, 2017

Homework Help: Chemistry

Posted by Hector on Tuesday, November 6, 2007 at 7:13pm.

Copper metal reacts with concentrated nitric acid according to the following balanced equation:

3Cu(s) + 8HNO3(aq) ¨ 3Cu(NO3)2(s) + 2NO(g) + 4H2O(l)

Calculate the mass in grams of the excess reagent remaining after the complete reaction of 4.63 g of Cu with 9.26 g of HNO3. Round your answer to 2 decimal places.

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