LILYLJDGO
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if you could add an explanation that would be nice too :) thanks

If You Could Add An Explanation That Would Be Nice Too Thanks class=

Answer :

first you find the atomic mass of CH2
they give you the mass so it is
12.01+ (2 x 1.008) (because there’s 2 H)
= 14.026
divide 70.13/14.026= 5
now you multiply the coefficient by 5 so
CH2 becomes C5H10
hope that helped

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