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m = 0,98 gram
Mr = 2 × 1 + 32 + 4 × 16 = 2 + 32 + 64 = 98 gram/mol
V = 2 L
Va = valensi asam = 2
Ditanya : [H^+]
Jawab :
n = m/mr = 0,98/98 = 0,01 mol
M = n/V = 0,01/2 = 0,005 mol/liter
[H^+] = M × Va = 0,005 × 2 = 0,01 = 10^-2
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