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For preparing a buffer solution of pH 7. Which buffer system u will choose? 1.H3PO4 `H2OO4- 2.H2PO4-'HPO4 2-?
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For preparing a buffer solution of pH 7. Which buffer system u will ch...
Introduction
A buffer solution is a solution that can resist changes in pH upon addition of an acid or base. For preparing a buffer solution of pH 7, we need to choose a buffer system that has a pKa value close to 7.
Buffer System
The buffer system that we will choose is the H2PO4-/HPO4 2- buffer system. This buffer system consists of the conjugate acid-base pair of H2PO4- and HPO4 2-. The pKa value of this buffer system is 7.21, which is close to pH 7.
Explanation
When an acid or base is added to the buffer system, the H2PO4- will react with the added base to form HPO4 2- and H2O. This reaction will consume the added base, preventing the pH from increasing significantly. Similarly, when an acid is added to the buffer system, the HPO4 2- will react with the added acid to form H2PO4- and H2O. This reaction will consume the added acid, preventing the pH from decreasing significantly.
Conclusion
In summary, the H2PO4-/HPO4 2- buffer system is a suitable buffer system for preparing a buffer solution of pH 7 due to its pKa value close to pH 7. This buffer system can resist changes in pH upon addition of an acid or base, making it useful in various biological, chemical, and industrial applications.
A buffer solution is a solution that can resist changes in pH upon addition of an acid or base. For preparing a buffer solution of pH 7, we need to choose a buffer system that has a pKa value close to 7.
Buffer System
The buffer system that we will choose is the H2PO4-/HPO4 2- buffer system. This buffer system consists of the conjugate acid-base pair of H2PO4- and HPO4 2-. The pKa value of this buffer system is 7.21, which is close to pH 7.
Explanation
When an acid or base is added to the buffer system, the H2PO4- will react with the added base to form HPO4 2- and H2O. This reaction will consume the added base, preventing the pH from increasing significantly. Similarly, when an acid is added to the buffer system, the HPO4 2- will react with the added acid to form H2PO4- and H2O. This reaction will consume the added acid, preventing the pH from decreasing significantly.
Conclusion
In summary, the H2PO4-/HPO4 2- buffer system is a suitable buffer system for preparing a buffer solution of pH 7 due to its pKa value close to pH 7. This buffer system can resist changes in pH upon addition of an acid or base, making it useful in various biological, chemical, and industrial applications.
Community Answer
For preparing a buffer solution of pH 7. Which buffer system u will ch...
H2PO4 because it is a weak acid and it's conjugate base is strong base so it will form a buffer system of PH approximate 7
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For preparing a buffer solution of pH 7. Which buffer system u will choose? 1.H3PO4 `H2OO4- 2.H2PO4-'HPO4 2-?
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For preparing a buffer solution of pH 7. Which buffer system u will choose? 1.H3PO4 `H2OO4- 2.H2PO4-'HPO4 2-? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about For preparing a buffer solution of pH 7. Which buffer system u will choose? 1.H3PO4 `H2OO4- 2.H2PO4-'HPO4 2-? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For preparing a buffer solution of pH 7. Which buffer system u will choose? 1.H3PO4 `H2OO4- 2.H2PO4-'HPO4 2-?.
For preparing a buffer solution of pH 7. Which buffer system u will choose? 1.H3PO4 `H2OO4- 2.H2PO4-'HPO4 2-? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about For preparing a buffer solution of pH 7. Which buffer system u will choose? 1.H3PO4 `H2OO4- 2.H2PO4-'HPO4 2-? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For preparing a buffer solution of pH 7. Which buffer system u will choose? 1.H3PO4 `H2OO4- 2.H2PO4-'HPO4 2-?.
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