Chemistry

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NH4NO3 (aq) + (heat) --> 2 H20 (l) + N2 (g)
Calculate the mass in grams of ammonium nitrate that must be used to produce 1.50 L of nitrogen gas collected over water at 30°C and 748 torr. At 30°C, PH20 = 31.8 mmHg. Find the moles of nitrogen gas.

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