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1. a)Which of the following statements are TRUE for a buffer solution. Select all that are True. _...

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Chemistry

1. a)Which of the following statements are TRUE for a buffersolution.
Select all that are True.
_ A buffer can be prepared by combining a weak acid and itsconjugate base.\"
_ A buffer resists changes in pH.
_ When a strong acid is added to a buffer, it reacts with theconjugate base which slightly increases the pH of the solution.



3. Given the following data set: Indicate where the bufferecapacity has been exceeded.

SolutionpH         Change in pH   
Acetic acid (25 mL)      2.88  
Sodium acetate7.46
Mixture (50 mL)4.70
After 5 mL NaOH4.900.20  
After 10 mL NaOH5.130.23
After 15 mL NaOH5.420.29
After 20 mL NaOH5.950.53
After 25 mL NaOH11.175.22



The buffer capacity was exceeded when_______mL of NaOH wasadded?

Answer & Explanation Solved by verified expert
4.2 Ratings (577 Votes)
1 Ans All the statements are True Explanation A buffer solution is formed by a weak acid example Acetic acid and its conjugate base example Acetate Purpose of the buffer solution is to resist the change    See Answer
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