berapa berat molekul Ca S04 5H2O jika ar ca =40 O=16 S=32 H=1
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Pertanyaan
berapa berat molekul Ca S04 5H2O jika ar ca =40 O=16 S=32 H=1
1 Jawaban
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1. Jawaban ionkovalen
1.Ar Ca = 40
1. Ar S = 32
4.Ar O = 64
5. Mr H2O = 90
Mr CaSO4.5H2O = 40 + 32+64+90= 226