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Jika 200 cm 3 larutan NH3 0,1 M dicampur dengan 100 cm 3 larutan HCI 0,1 M, maka akan terbentuk larutan dengan pH . . . (Kb NH 3 = 10 -5 )

Jika 200 cm3 larutan NH3 0,1 M dicampur dengan 100 cm3 larutan HCI 0,1 M, maka akan terbentuk larutan dengan pH . . . (Kb NH3 = 10-5)

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Mol NH 3 = M x V = 0,1 M x 200 mL = 20 mmol Mol HCl = M x V = 0,1 M x 100 mL = 10 mmol Persamaan reaksi : NH 3 (aq) + HCl (aq) → NH 4 Cl (aq) + H 2 O (l)

Mol NH3 = M x V = 0,1 M x 200 mL = 20 mmol

Mol HCl = M x V = 0,1 M x 100 mL = 10 mmol

Persamaan reaksi :  NH3 (aq)     +           HCl (aq)    →         NH4Cl (aq)    +   H2O (l)

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