Logo
Home Study Material Contact Search
AI Chat FREE
  1. sciences
  2. chemistry
  3. phosphorous acid, h3po3(aq), is a diprotic oxyacid

Phosphorous acid, H3PO3(aq), is a diprotic oxyacid that is an important compound in industry and agriculture...

60.1K

Verified Solution

Question

Chemistry

Phosphorous acid, H3PO3(aq), is a diprotic oxyacid that is animportant compound in industry and agriculture pka1=1.3 pka2=6.70Calculate the pH for each of the following points in the titrationof 50.0 mL of a 2.7 M H3PO3(aq) with 2.7 M KOH(aq)

a) before addition of any KOH

(b) after addition of 25.0 mL of KOH

(c) after addition of 50.0 mL of KOH

(d) after addition of 75.0 mL of KOH

(e) after addition of 100.0 mL of KOH

please help? ill rate 5 stars if correct!

Answer & Explanation Solved by verified expert
3.9 Ratings (605 Votes)
a For the first dissociation of H3PO3 H3PO3 H2PO3aq Haq Ka1 1013 5012102 InitconcM 27 0 0 eqmconM 271 x 27x 27x 5012102 27x27x 271 x x 01273 Hence Haq 27x 2701273 03437 M Since Ka2 is very small the amount of H produced due tosecond dissociation can be neglcted Hence total concentration of H is Haq 03437 M pH logHaq    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Zin AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

What are the advantages and disadvantages of providing post-assignment guarantees of employment?

Operations Management
Q

How is glutamine used in nitrogen metabolism and Why is the activity of glutamine synthetase tightly...

Biology
Q

A direct titration of .68311 grams sample of diprotic acid (H2X) requires 37.45 ml of 0.1372M...

Chemistry
Q

The amount of carbon dioxide in the atmosphere has increased substantially since the be ginning...

Biology
Q

05 Six charges are placed at the corner of a regular hexagon as shown If...

Physics
Q

C This question 2 point s possible In 1978 a popular science magazine reported that...

Statistics
Q

1 point Use a Riemann sum to estimate the volume of the solid that lies...

Calculus
Q

etch the region of integration and convert the polar integral to a Cartesian integral or...

Calculus
Q

Write a cosine function for each description. Assume that a > 0.a. amplitude 2, period...

Algebra
Q

Solve the compound inequality.-7?x-3<1Select the correct choice below and, if necessary, fill in the answer...

Algebra
Q

Comprehensive project Help Save & Exit 1...

Accounting
Q

On January 1, Year1, Blaugh Co. signed a long-term lease for an office building. The...

Accounting