Question
Asked Oct 27, 2019
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If a gas sample weighed 3.97 grams occupies 2.768 liters at STP what would be the molas mass of this gas

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Expert Answer

Step 1

Calculation for number of moles:

At STP, 1 mole of...

1 mole 22.4 L
x mole 2.768 L
2.768 L x 1 mole
X
22.4 L
x = 0.1236 moles
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1 mole 22.4 L x mole 2.768 L 2.768 L x 1 mole X 22.4 L x = 0.1236 moles

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