adegokeshukroh adegokeshukroh

04-03-2021
Chemistry

contestada

what is the percentage composition of carbon and hydrogen in ethane(c2h6,molecular mass 30.0)

Respuesta :

okiki99ng36 okiki99ng36

04-03-2021

Answer

% of C in C2H6= (2×12)/30×100=80%

% of H in C2H6= (3×2)/30×100=20%

Explanation:

2C+3H2-C2H6

nC=12, nH=1, nC2H6=30

2moles of C-1mole of C2H6

3moles of H-1 mole of C2H6

% of C in C2H6= (2×12)/30×100=80%

% of H in C2H6= (3×2)/30×100=20%

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