Question

at STP if 1 gram of gas has the weight of an 140 ml then what is the molecular weight of that gas??​

Answer 1

Answer:

At STP, 1 L of gas has a mass of 1.4 g.

Therefore, 22.4 L of the gas has mass of 31.4 g. Since we know that 22.4L at STP corresponds to 1 mole, 31.4g will be the molar mass of the gas.

So, molecular weight is 31.4 g/mol

Answer 2

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At STP, 1 L of gas has a mass of 1.4 g.

Therefore, 22.4 L of the gas has mass of 31.4 g. Since we know that 22.4L at STP corresponds to 1 mole, 31.4g will be the molar mass of the gas.

So, molecular weight is 31.4 g/mol