Map d a) What is the pH of an aqueous solution with a hydrogen ion concentration

Question

Map d a) What is the pH of an aqueous solution with a hydrogen ion concentration of [HO = 1.6 x 10-5 M? Number pH 4.8 b) What is the hydroxide ion concentration, [OH 1, in an aqueous solution with a hydrogen ion concentration of[H =1.6×10-5 M? Number c) A monoprotic acid, HA, dissociates: The equilibrium concentrations of the reactants and products are [HA] = 0.260 M [H']= 4.00 ×10-4 M [A]s 4.00 × 10-4 M Calculate the Ka value for the acid HA continued below... Number VHint -O Previous Give Up & View Solution Check Answer 0 Next Exit

Explanation / Answer

Answer

1. 4.796. pH =-logH+ ===- log1.6×10-5 === 4.796

2.9.204 pOH =14-pH ====14-4.796==9.204

3.6.15×10-7 Ka= H ×A/HA ==4×10-4)(4×10-4)/0.260===6.15×10-7

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