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Sebuah pabrik farmasi menganalisis kemurnian tablet vitamin C (C 6 H 8 O 6 , Mr ...

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Sebuah pabrik farmasi

menganalisis kemurnian tablet vitamin C (C

6H8O6

,

Mr = 176). Sebanyak 2 tablet Vitamin C (total massa 2 g) dilarutkan dan

direaksikan dengan 30,0 mL NaOH 0,5 M berlebih.

C6H8O6(aq)

+

2NaOH(berlebih) → Na

2C6H6O6(aq)

+

2H

2O(l)

Setelah hidrolisis sempurna,

sisa NaOH dititrasi dengan HCl 0,25 M dan memerlukan 16,0 mL untuk netralisasi.

Hitung persentase kemurnian vitamin C dalam tablet…

0%
0%
100%
0%
0%
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