120. Задачка по химии №012 094

The ratio (by moles) of hydrogen and nitrogen in a mixture of hydrogen - nitrogen - carbon dioxide is 1:2. The mass of 5.6 l (n.o.) is 9.15 g. Determine the composition of the gas mixture. (Answer: H2; N2; CO2 resp. 10; 20; 70% (vol.))

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