The pH of 0.100 M sodium hypochlorite is 9.8. Calculate Ka of hypochlorous acid.

Question

Question

science chemistry

Answer 1

Answer #1

first to calculate OH- concentration.

then using the equilibrium constant equation to find kb

then to find ka.

ka× kb = 10^-14

pH + pOH = 14.

Answer 2

Similar Homework Help Questions

The pKa of hypochlorous acid is 7.530. A 53.0 mL solution of 0.100 M sodium hypochlorite...

The pKa of hypochlorous acid is 7.530. A 53.0 mL solution of 0.100 M sodium hypochlorite (NaOCl) is titrated with 0.303 M HCl. Calculate the pH of the solution a) after the addition of 6.47 mL of 0.303 M HCl. b) after the addition of 18.4 mL of 0.303 M HCl. c) at the equivalence point with 0.303 M HCl.
A. A solution contains 0.419 M sodium hypochlorite and 0.425 M hypochlorous acid. The pH of...

A. A solution contains 0.419 M sodium hypochlorite and 0.425 M hypochlorous acid. The pH of this solution is . B.A solution contains 0.296 M potassium hypochlorite and 0.335 M hypochlorous acid. The pH of this solution is .
Ka for hypochlorous acid. HCIO, is 3.0x108. Calculate the pH after the stepwise addition of 0.100...

Ka for hypochlorous acid. HCIO, is 3.0x108. Calculate the pH after the stepwise addition of 0.100 M NaOH (from 0 ml to 50 mL, in I mL increments) to 40.0 ml of 0.100 M HCIO. Plot your results in Excel and on the graph, identify the pH at the equivalence point and at half of the equivalence point.

Question 1 10 pts Calculate the pH of a solution containing 0.375 M hypochlorous acid (Ka...

Question 1 10 pts Calculate the pH of a solution containing 0.375 M hypochlorous acid (Ka = 3.0e-8) combined with 0.25 M calcium hypochlorite.
The pKa of hypochlorous acid is 7.530. A 55.0 mL solution of 0.123 M sodium hypochlorite...

The pKa of hypochlorous acid is 7.530. A 55.0 mL solution of 0.123 M sodium hypochlorite (NaOCl) is titrated with 0.261 M HCI. Calculate the pH of the solution after the addition of 8.24 mL of 0.261 M HCl. pH = Calculate the pH of the solution after the addition of 26.7 mL of 0.261 M HCI. pH = Calculate the pH of the solution at the equivalence point with 0.261 M HCl. pH =
The pKa of hypochlorous acid is 7.530. A 58.0 mL solution of 0.123 M sodium hypochlorite...

The pKa of hypochlorous acid is 7.530. A 58.0 mL solution of 0.123 M sodium hypochlorite (NaOCl) is titrated with 0.255 M HCl. Calculate the pH of the solution after the addition of 8.48 mL of 0.255 M HCl. pH= Calculate the pH of the solution after the addition of 29.7 mL of 0.255 M HCl. pH= Calculate the pH of the solution at the equivalence point with 0.255 M HCl. pH=

The pk, of hypochlorous acid is 7.530. A 58.0 mL solution of 0.110 M sodium hypochlorite...

The pk, of hypochlorous acid is 7.530. A 58.0 mL solution of 0.110 M sodium hypochlorite (NaOCI) is titrated with 0.343 M HCI. Calculate the pH of the solution after the addition of 7.42 mL of 0.343 M HCI. pH = Calculate the pH of the solution after the addition of 19.7 mL of 0.343 M HCI. pH = Calculate the pH of the solution at the equivalence point with 0.343 M HCI. pH =
The pK, of hypochlorous acid is 7.530. A 55.0 mL solution of 0.116 M sodium hypochlorite...

The pK, of hypochlorous acid is 7.530. A 55.0 mL solution of 0.116 M sodium hypochlorite (NaOCI) is titrated with 0.252 M HCI. Calculate the pH of the solution after the addition of 9.37 mL of 0.252 M HCL. pH = Calculate the pH of the solution after the addition of 26.6 ml of 0.252 M HCI. pH = Calculate the pH of the solution at the equivalence point with 0.262 M HCI. pH =
The pk, of hypochlorous acid is 7.530. A 59.0 mL solution of 0.143 M sodium hypochlorite...

The pk, of hypochlorous acid is 7.530. A 59.0 mL solution of 0.143 M sodium hypochlorite (NaOCl) is titrated with 0.264 MHCI. Calculate the pH of the solution after the addition of 9.91 mL of 0.264 M HCI. pH = Calculate the pH of the solution after the addition of 34.2 mL of 0.264 M HCI. pH = Calculate the pH of the solution at the equivalence point with 0.264 M HCI. pH =

The pK, of hypochlorous acid is 7.530. A 57.0 mL solution of 0.129 M sodium hypochlorite...

The pK, of hypochlorous acid is 7.530. A 57.0 mL solution of 0.129 M sodium hypochlorite (NaOCI) is titrated with 0.312 MHCI. Calculate the pH of the solution after the addition of 7.38 mL of 0.312 M HCI. pH = Calculate the pH of the solution after the addition of 25.0 mL of 0.312 M HCI. pH = Calculate the pH of the solution at the equivalence point with 0.312 M HCl. pH =