`103 mL` of carbon dioxide was collected at `27^(@)C` and `763 mm` pressure. What will be its volume if the pressure is changed to `721 mm` at the same temperature?

Explanation

`{:("Given Conditions","Final Conditions"),(V_(1)=103 mL,V_(2)=?mL),(P_(1)=763 mm,P_(2)=721 mm):}`
By applying Boyle's Law since temperature is constant, `P_(2)xxV_(2)=P_(1)xxV_(1)`.
Substituting the corresponding values, we have
`721xxV_(2)=763xx103, V_(2)=(763xx103)/(721)=109 mL :.` Volume of carbon dioxide=109 mL.