Can someone mee, pls show the works.. thx

6.6 moles of CO2 is produced

Explanation:

97 g of C3H8 is equal to 2.2 moles, so we'll use ratio method according to which for 97 g of C3H8 6.6 moles of CO2 is produced

it would be a gas formation

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.