What volume of nitrogen is is formed at 742 torr and, Ask an Expert

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what volume of nitrogen is is formed at 742 torr and 28.7dgree c by reacting 2.78 cm^3 of cu is density 8.95 g/cm^3 with 246ml of nitric acid ( 1.42g/cm^3) 68 %HNo3 by mass. Cu(s) + 4HNO3(aq)-------CU(NO3)2aq + 2NO2(g) + 2H2O(l). What is volume for NO2

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