Chemistry, asked by sahalmuhammed602, 22 hours ago

44.8L of a gas at STP weights 128g. What is the molecular mass of the gas?

Answers

Answered by ashutoshdave99

1

Answer:

The molecular formula of hydrogen sulphide is H2S

Then, molar mass of hydrogen sulphide = 1×2+32= 34g/mol

At STP, 34g H2S = 22.4L

22.4L of volume contains 34g H2S

So,44.8L of volume contains 34×44.8/22.4= 68g H2S

Explanation:

The molecular formula of hydrogen sulphide is H2S

Then, molar mass of hydrogen sulphide = 1×2+32= 34g/mol

At STP, 34g H2S = 22.4L

22.4L of volume contains 34g H2S

So,44.8L of volume contains 34×44.8/22.4= 68g H2S

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