Register
What is the PH of the acid lactic 0,20 M?
143k views
4 votes
What is the PH of the acid lactic 0,20 M?

User Madura Harshana
by
8.6k points

1 Answer

3 votes
dissociation constant of lactic acid:
K=1.38·10⁻⁴

C=0.20 mol/L

[H⁺]=√(KC)

pH=-lg[H⁺]=-lg{√(KC)}

pH=-lg{√(1.38·10⁻⁴·0.20)}=2.28

pH=2.28
User Mark Staff
by
8.6k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

Compare and contrast an electric generator and a battery??
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
Why is gold preferred as a superior metal over silver and bronze?
What is the evidence of a chemical reaction when the fireworks go off
Which of the following statements does not describe a physical property of a piece of chalk A. Chalk is solid B.chalk can be broken into pieces C. Chalk is white D. Chalk will bubble in vinegar
Link Copied!