What Is Volume Of Carbon Dioxide, CO2 Occupying By : I. 5 Moles And ...

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Ask a Question What is volume of carbon dioxide, CO2 occupying by : i. 5 moles and ii. 0.5 mole of CO2 gas measured at STP. ← Prev Question Next Question → +1 vote 4.1k views asked Dec 17, 2021 in Chemistry by AyraBhatt (31.1k points) closed Dec 18, 2021 by AyraBhatt

What is volume of carbon dioxide, CO2 occupying by :

i. 5 moles and

ii. 0.5 mole of CO2 gas measured at STP.

• some basic concepts of chemistry
• class-11

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1 Answer

+1 vote answered Dec 17, 2021 by CharviJain (30.3k points) selected Dec 18, 2021 by AyraBhatt Best answer

Given :

i. Number of moles of CO2 = 5 mol

ii. Number of moles of CO2 = 0.5 mol

To find :

Volume at STP

Formula :

Number of moies of a gas (n) = \(\frac{Volume\,of\,a\,gas\,at\,STP}{Molar\,volume\,of\,a\,gas}\)

Calculation :

Molar volume of a gas 22.4 dm3 mol-1 at STP.

Number of moles of a gas (n) = \(\frac{Volume\,of\,a\,gas\,at\,STP}{Molar\,volume\,of\,a\,gas}\)

∴ i. Volume of the gas at STP = Number of moles of a gas (n) × Molar volume of a gas

= 5mol × 22.4 dm3 mol-1

= 112 dm3

ii. Volume of the gas at STP Number of moles of a gas (n) × Molar volume of a gas

= 0.5 mol × 22.4 dm3 mol-1

= 11.2 dm3

∴ i. Volume of 5 mol of CO2 = 112 dm3

ii. Volume of 0.5 mol of CO2 = 11.2 dm3

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