Question

Gaseous methane

CH4

reacts with gaseous oxygen gas

O2

to produce gaseous carbon dioxide

CO2

and gaseous water

H2O

. If

6.17g

of carbon dioxide is produced from the reaction of

14.1g

of methane and

19.1g

of oxygen gas, calculate the percent yield of carbon dioxide.

Be sure your answer has the correct number of significant digits in it.