9. Solving a chemistry problem
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39. 500.0 ml of solution contains 4.0 g of ammonia and 53.0 g of ammonium chloride. Calculate the concentration of H, OH- ions and the pH of the solution. KNH3*H2O = 1.74*10-5, molar mass NH3 = 17; NH4Cl = 53.5.
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