Question

Calculations show that a reaction should yield 5.67 g of carbon dioxide gas, CO2 what volume should be expected at 26 C and 782 mmHg

Answer 1

Mass of CO₂ yielded = 5.67 g

Moles of CO₂ = $\dfrac{5.67}{44}=0.128\space mol$

Pressure, $P=782\space mm\space of \space Hg=104.258\space kPa$

Temperature, $T=26\degree C=299\space K$

According to ideal gas law,

$PV=nRT$

$V=\dfrac{nRT}{P}=\dfrac{0.128\times8.314\times299}{104258}$

$V=0.00305\space m^3=3.05\space L$