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pH awal HNO3 = -log [H+] = -log 0,1 = 1
Vcamp = 0,25 L + 0,25 L = 0,5 L
M HNO3 × V HNO3 = Mcamp × Vcamp
0,1 M × 0,25 L =M camp × 0,5 L
Berarti M = 0,05 M = 5 × 10^-2
pH = - log [H+] = -log 5 × 10^-2 = 2 - log 5 = 1,3
Jadi pH campuran tsb. ialah 1,3
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