Mr(C3 H6 O)=?W(C)=?ребята помоги плизз

Question

Mr(C3 H6 O)=?
W(C)=?
ребята помоги плизз

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Answer 1

Mr(C3H6O) = 12*3+1*6+16=58
W(C) = 12*3/58 = 0.62 или 62%

Answer 2

Mr(C3 H6 O)= 3Ar(C)+6Ar(H)+Ar(O)=3*12+6*1+16=58

w(C) = 12*3/58=0.62