on complete combustion of one mole of a certain alkane , two moles of C02 and three moles of water was produced. determine the relative molecular mass of the alkane.

(C= 12, H=1)

2 answers

CxHy + O2 --> 2CO2 + 3H2O
So x must be 2 and y must be 6; i.e., C2H6
Molar mass C2H6 is ............
30g