Pertanyaan

Sebanyak 249,5 gram kristal C u S O 4 . x H 2 O dipanaskan sehingga menghasilkan 159,5 gram C u S O 4 , menurut reaksi: C u S O 4 . x H 2 O ( s ) → C u S O 4 ( s ) + + 4 m ux H 2 O ( g ) Rumus senyawa kristal tersebut adalah... (Ar Cu = 63,5; S = 32; O = 16; H = 1)

Sebanyak 249,5 gram kristal $C u S O_{4} . x H_{2} O$ dipanaskan sehingga menghasilkan 159,5 gram $C u S O_{4}$ , menurut reaksi:

$C u S O_{4} . x H_{2} O (s) \to C u S O_{4} (s) + + 4 m ux H_{2} O (g)$

Rumus senyawa kristal tersebut adalah... (Ar Cu = 63,5; S = 32; O = 16; H = 1)

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