Circle the correct answer A: Can I help you? B: a Thank you. b Yes, please. I’m looking for a pair of shoes. 2 A: Thank you very much.

2C2H2+5O2=4CO2+2H2O
n(C2H2)=2/22,4=0,089 моль
n(C2H2)/2=n(CO2)/4
n(CO2)=0,178 моль
V(CO2)=0,178*22,4=3,9872 л

2С2H6+7O2=4CO2+6H2O
n(C2H6)=12/22,4=0,54 моль
n(C2H6)/2=n(CO2)/4
n(CO2)=1,08 моль
V(CO2)=1,08*22,4=24,192 л