What is the pH of an aqueous solution of .265M of NaOI solution ?

Question

Question

science chemistry

Answer 1

Answer #1

The Ka of HIO is 2.3x10^-11

The Kb of IO- is 1x10^-14/ 2.3x10^-11 = 4.35 x 10^-4

[HO-] = (Kb x [IO-])^1/2 = (4.35 x 10^-4 x 0.265)

Answer 2

Similar Homework Help Questions

28) a) What is the pH of a 0.159 M aqueous solution of ammonium iodide, NHAI pH- This Solution is...

please write clearly and circle answer thx 28) a) What is the pH of a 0.159 M aqueous solution of ammonium iodide, NHAI pH- This Solution is acid, basic, or neutral b) What is the pH of a 0.250 M aqueous solution of sodium acetate, NaCH3COO? pH- This Solution is acid, basic, or neutral c) The substance benzoic acid (C6HsCOOH) is a weak acid (Ka - 6.3x10-s) What is the pH of a 0.123 M aqueous solution of sodium benzoate,...
An aqueous solution has a pOH of 4.41 (1) What is the pH of this solution?...

An aqueous solution has a pOH of 4.41 (1) What is the pH of this solution? (2) What is the hydroxide ion concentration in this solution? (3) What is the hydrogen ion concentration in this solution? An aqueous solution has a pH of 4.41 (1) What is the pOH of this solution? (2) What is the hydroxide ion concentration in this solution? (3) What is the hydrogen ion concentration in this solution? An aqueous solution has an hydroxide ion concentration...
Calculate pH of a salt solution. What is the pH of a 0.172 M aqueous solution...

Calculate pH of a salt solution. What is the pH of a 0.172 M aqueous solution of sodium cyanide, NaCN? (K for HCN = 4.0x1010) pH

Calculate pH of a salt solution. What is the pH of a 0.180 M aqueous solution...

Calculate pH of a salt solution. What is the pH of a 0.180 M aqueous solution of potassium fluoride, KF? (K, for HF = 7.2*10-4) pH =
< Question 19 of 26 > What is the pH of an aqueous solution with a...

< Question 19 of 26 > What is the pH of an aqueous solution with a hydrogen ion concentration of (H'] = 9.3 x 10-'M? pH =
a)What is the pH of an aqueous solution made by combining 37.75 mL of a 0.3805...

a)What is the pH of an aqueous solution made by combining 37.75 mL of a 0.3805 M sodium formate with 40.09 mL of a 0.3795 M solution of formic acid? b)What is the pH of an aqueous solution made by combining 10.38 mL of a 0.1884 M hydrochloric acid with 42.76 mL of a 0.3314 M solution of ammonia? c)In a titration of 47.63 mL of 0.3786 M ammonia with 0.3786 M aqueous nitric acid, what is the pH of...

If the pOH of an aqueous solution at 25°C is 4.751, what is the pH of...

If the pOH of an aqueous solution at 25°C is 4.751, what is the pH of the solution? (pH is a unitless number.)
If the pH of an aqueous solution at 25°C is 9.299, what is the pOH of...

If the pH of an aqueous solution at 25°C is 9.299, what is the pOH of the solution? (pH is a unitless number.)
1) What is the pH of an aqueous solution that contains a hydronium ion concentration of...

1) What is the pH of an aqueous solution that contains a hydronium ion concentration of 9.0 ✕ 10−4 M? 2) If the pOH of the solution is 12.33, determine the hydroxide ion concentration of the solution. 3) What is the pH of an aqueous solution with a pOH of 5.92 at 25°C?

1)What is the pH of an aqueous solution of 5.51×10-2 M sodium hydroxide? pH =_____ 2)The...

1)What is the pH of an aqueous solution of 5.51×10-2 M sodium hydroxide? pH =_____ 2)The pH of an aqueous solution at 25°C was found to be 7.30. The pOH of this solution is ______. The hydronium ion concentration is ______ M. The hydroxide ion concentration is ______ M. 3)The hydronium ion concentration in an aqueous solution at 25°C is 3.1×10-2M. The hydroxide ion concentration is ____M. The pH of this solution is ____. The pOH is _____ .