How many moles of CO2 are produced when 35.0 mol C2H2 react completely?

1 answer:

4 0

1) Chemical reaction:

2C2H2 + 5O2 ---> 4CO2 + 2H2O

2) Molar ratios

2 mol C2H2 : 5 mol O2 : 4 mol CO2 : 2 mol H2O

3) proportion with 35.0 mol C2H2

2 mol C2H2 / 4 mol CO2 = 35.0 mol C2H2 / x

=> x = 35.0 mol C2H2 * 4 mol CO2 / 2 mol C2H2 = 70.0 mol CO2.

Answer: 70.0 mol CO2

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