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3.0 grams of dry ice (solid CO 2 ) is converted to a gas at STP. How many liters of gas is present?

User Benjy
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1 Answer

10 votes
10 votes

answer and explanation

3.0 grams is converted to gas.

we first find the number of mols

n = m/M

n - mols

m - mass

M - molar mass

n = 3.0/ 28.01

= 0.12 mols

we know that at STP every gas has a volume of 22.4 L

therefor 0.12 mols will have a volume of:

0.12 x 22.4 = 2.69 L

User Ivan Sanz Carasa
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