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Science Clinic => Chemistry => Topic started by: HCHenry on Nov 18, 2019

Title: Determine the pH of a 0.22 mol L-1 NaF solution at 25 C. The Ka of HF is 3.5 10-5.
Post by: HCHenry on Nov 18, 2019

Question 1

Determine the pH of a 0.62 mol L-1 NH4NO3 solution at 25 °C. The Kb for NH3 is 1.76 × 10-5.
◦ 4.73
◦ 11.52
◦ 2.48
◦ 9.45
◦ 9.27

Question 2

Determine the pH of a 0.22 mol L-1 NaF solution at 25 °C. The Ka of HF is 3.5 × 10-5.
◦ 5.10
◦ 11.44
◦ 10.20
◦ 8.90
◦ 2.56
Title: Determine the pH of a 0.22 mol L-1 NaF solution at 25 C. The Ka of HF is 3.5 10-5.
Post by: emilymalinowski12 on Nov 18, 2019

Answer 1

4.73

Answer 2

8.90