Calculate: A gas cylinder is filled with hydrogen and it holds 5 gms of gas. The same cylinder holds 85 gms of gas X under same temperature and pressure. Calculate the vapour density of gas X .
Explanation
To calculate the vapour density of gas X, we first need to find the molecular mass of hydrogen. The molecular mass of hydrogen is 2 g/mol. Given that the cylinder holds 5 gms of hydrogen, we can calculate the number of moles of hydrogen. Using Avogadro's hypothesis, we can find the number of molecules of hydrogen. Since the same cylinder holds 85 gms of gas X under the same temperature and pressure, we can calculate the number of molecules of gas X. The ratio of the number of molecules of gas X to the number of molecules of hydrogen will give us the molecular mass of gas X, which is twice the vapour density.
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