The decomposition of 128.4 g ammonium nitrate yields how many liters of water at
1.89 atm and 314 K?
(N = 14.01 g/mol, H = 1.008 g/mol, O = 16.00 g/mol)
NH4NO3(s) → N2O(g) + 2H2O(g)
Hint: R = 0.0821 L atm/(mol K)

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