Mass of C3H8 Reacted with (g) Mass of O2 Reacted (g) Mass of CO2 Produced (g)

Question

44 160 132
250 909 750
400 1,455 1,200
465 1,691 1,395



6. Based on the data in the table, how do you know that carbon dioxide is not the only substance formed in this chemical change?

Answer 1

If only CO2 were produced, the moles of CO2 produced would equal the number of moles of O2 consumed.