Question

Find the molar mass of a gas if 300 ml of this has mass of 0.368 g at stp

Answer 1

Answer:

300 ml -> 0.368g

or, 1 ml -> 0.368÷300g

or, 22.4 L = 22400 ml -> 0.368×22400÷300 g = 27.5 g ( Approx.)

or, 1 mole = 27.5 g

Thus, molar mass of the gas is approximately 27.5 g.

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