Multiple Choice
A phosphate buffer (H2PO4−/HPO42−) has a pH of 8.3. Which of the following changes will cause the pH to increase?
A) Dissolving a small amount of Na 2HPO 4
B) Dissolving a small amount of NaH 2PO 4
C) Adding a small amount of dilute hydrochloric acid
D) Adding a small amount of dilute phosphoric acid
E) Making the buffer more concentrated by removing some water
Correct Answer:
Verified
Correct Answer:
Verified
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