Question

What is the percent yield of CO2 if the reaction of 10.0g of CO with excess O2 produces 12.8g of CO2?

Answer 1

2CO + O2 ==> 2CO2

Convert 10.0 g CO to moles. moles = grams/molar mass
Convert moles CO to moles CO2 using the coefficients in the balanced equation. That is a 1:1 ratio.
Convert moles CO2 to grams. Grams = moles x molar mass.

Answer 2

pooopy

Answer 3

81.50%