1. What is the pH of a 1.35 mol/L solution of ammonium chloride (Kb NH3 = 1.8 x10^ - 5) (NH4 Cl)? 2. What is the pH of a 0.450 mol/L solution of calcium fluoride? (Ka HF = 7.2 \times 10^-4)

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1. What is the pH of a 1.35 mol/L solution of ammonium chloride (Kb NH3 = 1.8x10^ - 5) (NH4
Cl)? 2. What is the pH of a 0.450 mol/L solution of calcium fluoride? (Ka HF = 7.2 \times 10^-4)
Transcribed Image Text:1. What is the pH of a 1.35 mol/L solution of ammonium chloride (Kb NH3 = 1.8x10^ - 5) (NH4 Cl)? 2. What is the pH of a 0.450 mol/L solution of calcium fluoride? (Ka HF = 7.2 \times 10^-4)
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