# Chemistry

posted by .

The pH of a .200M HBrO solution is 4.67. What is the acids Ka?

• Chemistry -

[H3O+]=10-4.67 = [BrO-]
[HBrO]=0.200-10-4.67

Ka=[H3O+][BrO-]/[HBrO]=2.286×10^(-9)

## Similar Questions

1. ### chemistry

write the formula for potassium chloride. KCl thanx, but i gave you the wrong one. we're studying acids and bases, and so it's actually hypobromous acid. HBrO
2. ### Chemistry

The pH of 0.50 M HBrO(aq) is 4.50. Calculate the change in pH when 6.50 g of sodium hypobromite is added to 110. mL of the solution. Ignore any change in volume. Ka of HBrO is 2E-9 I found the amount of moles used for each (.0547 mol …
3. ### Chemistry

What is the pH of a 0.200M solution for HBrO?
4. ### Chemistry

What is the pH of a 0.200M solution for HBrO?
5. ### Chemistry

A 30.00ml sample of 0.1234 M hypobromous acid (HBrO) is titrated with a 0.2555 M KOH solution. The Ka for HBrO is 2.5*10^-9 Calculate the pH of the titration mixture at the equivalence point.
6. ### chemistry

a titration is done with with 25.00 mL of a .1500 M HBrO solution is titrated with .1025 M NaOH. Ka for HBrO= 2.0 x10^-9. The pH of HBrO before the titration begins is approx. closest to which of the following a. 0.82 b. 4.76 c. 8.70 …
7. ### chemistry

The pH of a 0.55-M aqueous solution of hypobromous acid, HBrO, at 25°C is 4.48. What is the value of Ka for HBrO?
8. ### Chemistry

What is the pH of a 0.94 M solution of HBrO that is also 0.59 M in magnesium hypobromite, the salt of it's conjugate base?
9. ### Chemistry

What volume of 0.200M of aqueous solution of formic acid, a weak monoprotic acid (KA = 1.78x10-4) and 0.200M aqueous solution of NaOH would you mix to prepare a 500mL of a buffer solution of pH = 4.0.
10. ### Chemistry

What is the pH of a 0.350M HBrO Solution?

More Similar Questions