Jawaban:
a) 63
b) 62
c) 120
d) 60
e) 249,5
Penjelasan:
Mr di dapat dari jumlah semua Ar dalam suatu senyawa.
a) HNO3
= 1 + 14 + 3(16) = 63
b) H2CO3
= 2(1) + 12 + 3(16) = 62
c) (NH4)2 CO3
2(14) + 4(8×1) + 12 + 3(16) = 120
d) CH3C(NH2)OH
12 + 3(1) + 12 + 14 + 2(1) + 16 + 1 = 60
e) CuSO4.5H2O
63,5 + 32 + 4(16) + 5(2×1) + 5(16) = 249,5
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Jawaban:
a) 63
b) 62
c) 120
d) 60
e) 249,5
Penjelasan:
Mr di dapat dari jumlah semua Ar dalam suatu senyawa.
a) HNO3
= 1 + 14 + 3(16) = 63
b) H2CO3
= 2(1) + 12 + 3(16) = 62
c) (NH4)2 CO3
2(14) + 4(8×1) + 12 + 3(16) = 120
d) CH3C(NH2)OH
12 + 3(1) + 12 + 14 + 2(1) + 16 + 1 = 60
e) CuSO4.5H2O
63,5 + 32 + 4(16) + 5(2×1) + 5(16) = 249,5