Ask a New Question

Question

Boric acid is a weak acid with an equilibruim constant(K)of 10-9.3. What is the pH balance of a 0.1 molar solution of boric acid?
12 years ago

Answers

DrBob222
..........H3BO3 ==> H^+ + H2BO3
I..........0.1M......0.......0
C...........-x........x.......x
E.........0.1-x........x......x

Ka = (H^+)H2BO3^-)/(H3BO3)
Subsitute from the ICE chart and solve for x = (H^+) and convert to pH.
12 years ago

Related Questions

How can weak acid nitrous acid HNO2 form a buffer solution with equal concentrations and volumes wit... The weak acid HQ has pKa of 4.89. Calculate the [H3O+] of .025 M HQ. when i did this i got 5.2 x 1... why is a weak acid weak base titration different from strong acid strong base/ weak acid strong base... Cyanic Acid is a weak acid HOCN + H2O <--> H3O+ +OCN- ka= 3.5*10^-4 a) if 2.5ml of 0.01 M cya... 1) Boric acid, H3 BO3, is a triprotic acid that dissociates in three reactions. The first dissociati... Boric acid, H3 BO3, is a triprotic acid that dissociates in three reactions. The first dissociation... formic acid is a weak acid with a ka value of 1.8x10^-4 at 25 celsius a solution with a concentratio... A solution of boric acid (H3BO3) in water has a pH of 3.45. If the solution also contained NaHBO3, w... Lactic acid is a weak acid with the formula , HCH3H5O3, the Ka for lactic acid is 1.38 x 10-4. In a...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use