Jawabanmu

2014-03-10T10:55:02+07:00
CH3COOH
Ar C = 12
Ar H = 1
Ar O = 16

2 atom C + 4 atom H + 2 atom O
2 x 12 +  x 1 + 2 x 16
24 + 4 + 32
60
2014-03-10T10:56:58+07:00
Untuk mengetahui massa relatif Mr suatu zat, perlu diketahui massa relatif atom Ar.

1][ CH3COOH
2 C = 2 x 12 = 24
4 H = 4 x 1.. =. 4
2 O = 2 x 16 = 32
...................------- +
......................60 gr/mol