Question

The relative molecular mass of methane, CH4 is 16.043. What is the relative molecular mas of ethane, #C _6H_6? (C = 12.011)

Answer 1

C6H6=12.011(6)+1(6)=72.066+6=

78.066

ethane(C2H6)=12.011(2)+1(6)=

24.022+6=30.022g