Calculate the maximum possible amount of ammonia that can be obtained from 40 liters. hydrogen and 30 liters of nitrogen.

2N2 + 3H2 = 2NH3
According to Avogadro’s law, one and a half times more hydrogen than nitrogen is required for a reaction. So hydrogen is in short supply, and as much as possible you can get 40 * 2/3 = 26.7 liters of ammonia
Answer: 26.7 L

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