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1 Jawaban
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1. Jawaban ZainulInungeEtecoy05
CaX₂.2H₂O = 147
40 + 2X + 2((2x1) + 16) =147
40 + 2X + 2(18) = 147
2X + 76 = 147
2X = 71
X = 35,5 (A)