Ar: Fe=31, S=32, O=16 tentukan mr Fe2(SO4)3 !!
Kimia
Isil01
Pertanyaan
Ar: Fe=31, S=32, O=16 tentukan mr Fe2(SO4)3 !!
2 Jawaban
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1. Jawaban RahmatDarmaraga
Mr Fe2(SO4)3
= 2 x Ar Fe + 3 x Ar S + 12 x Ar O
= 2 x 31 + 3 x 32 + 12 x 16
= 62 + 96 + 192
= 350
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2. Jawaban ratna430
31 x 2 +32 x 3 +16 x 12 = 350