Diketahui : Ar H = 1, O = 16, Na = 23
M = 0,2 L= 0,75
Mr NaOH = 23 + 16 + 1 = 40
Ditanya : … gram NaOH?
Jawab:
M = gr
Mr . L
0,2 = gr
40 . 0,75
Gram NaOH sebanyak = 6 gram
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