What is the mass of 1 molecule of CH4?

1 Answer
Koekeltje
Jun 21, 2018

#M_(r,CH_4)=16.04295# u #=2.663994# g

Explanation:

#A_(r,C)=12.01115# u
#A_(r,H)=1.00795 # u

#M_(r,CH_4)=1*A_(r,C)+4*A_(r,H)#
#M_(r,CH_4)=1*12.01115+4*1.00795=16.04295# u

In grams this would be:

#m_(CH_4)=16.04295# u #*1.660538921*10^(-24)# g/u #~~2.663994# g

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