What is the mass (in grams) of a CO_2 gas sample that occupies 5.66 L at...

Question

Question

What is the mass (in grams) of a CO_2 gas sample that occupies 5.66 L at STP?

science chemistry

Answer 1

Answer #1

At STP , volume of 1 mole of gas = 22.4 L

Hence, we can write , 22.4 L of CO ₂ gas 1 mol of CO ₂ gas

5.66 L of CO ₂ gas ( 1 5.66 / 22.4 ) mol of CO ₂ gas

5.66 L of CO ₂ gas 0.2527 mol of CO ₂ gas

We have, no. of moles = Mass / Molar mass

Mass of CO ₂ gas = No. of moles of CO ₂ gas Molar mass of CO ₂ gas

Mass of CO ₂ gas = 0.2527 mol 44.01 g / mol = 11.12 g

ANSWER : 11.12 g of CO ₂ gas occupies 5.66 L at STP.

Answer 2

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