August 2018 1 142 Report
Bantu dong buat besok nih :(
sebanyak 100 gram suatu kristal  CuSO_{4} x n  H_{2} O Dipanaskan hingga semua airnya menguap dan massanya tinggal 64 gram (Ar Cu=64 S=32 O=16 dan H=1) tentukan rumus kristal tersebut beserta caranya :)
terima kasih kakak :)
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