Question

1 1 L of a gas at STP weighs 1.97g. What is its molecular mass?
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Answer 1

Answer:

thinking about answer

Answer 2

Explanation:

22.4 litre of a gas at STP = molecular mass

11 litre of a gas at STP =1.97

22.4 liter of a gas at STP = 1.97×22.4/11

22.4 liter of a gas at STP =44.128/11=4.01

molecular mass =4.01(approx)