If 4.00 moles of ethanol are burned, how many moles of CO2 are produced? using 2C2H5OH + 7O2 → 4CO2 + 6H2O

Answer 1

Using the molar ratio of the coefficients we know that in the origonal equation there are 2 mol of C2H5OH burned for every 4 mol of CO2 produced, so if we double the amount of C2H5OH from 2 to 4 we can expect 8 mol of CO2 to be produced.

4molEthanol*4molCO2/2molEthanol=8 molCO2