An unknown compound contains only carbon, hydrogen, and oxygen (CxHyOz). Combustion of 5.00g of this compound produced 7.33g of carbon dioxide and 3.00g of water.
Part A
How many moles of carbon, C, were in the original sample?
Express your answer to three significant figures and include the appropriate units.

Question

An unknown compound contains only carbon, hydrogen, and oxygen (CxHyOz). Combustion of 5.00g of this compound produced 7.33g of carbon dioxide and 3.00g of water.
Part A
How many moles of carbon, C, were in the original sample?
Express your answer to three significant figures and include the appropriate units.

paxpolaris · Answer

$$7.33\ g\ CO_2 \times {1\ mole\ CO_2 \over 44.0\ g\ CO_2}\times {1\ mole\  C \over 1\ mole\ CO_2}$$