Question

calculate the molecular mass of methane ​

Answer 1

Explanation:

Atomic mass of carbon is 12 g and atomic mass of hydrogen is 1 g. So molecular mass of CH4 is 16 g. so the answer is = 12+4 = 16 g/mol which is also write as it is near the 16.04 as approx. So in approx, it is 16g/mol .Never forget S.I unit to write.