Jawabanmu

2014-01-17T17:12:07+07:00
Diketahui
M = 2,8
V = 500 mL
Mr NaOH = 40
jawab
M = gr/Mr x 1000/V
2,8 = gr/40 x 1000/500
1,4 = gr/40
gr = 1,4 x 40 = 56 gram

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