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Chemistry
Trevor
10 May, 13:21
What is the mass, in grams, of 2.75 L of CO2 gas
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Lea Haynes
10 May, 14:26
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mass of CO₂ = 5.402 g
Explanation:
At STP, 1 mole of any gas takes up 22.4L of volume
Thus, 1 mole = 22.4 L
1 L = 1 mole : 22.4
Therefore, 2.75 L = 2.75 mole : 22.4 = 0.123 moles
Molecular weight of CO₂ = 44 g/mole
mass of CO₂ = molecular weight * number of moles = 44 g/mole * 0.123 moles
mass of CO₂ = 5.402 g
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