Multiple Choice
Which of the following could be used to formulate 100 mls of a 0.10 M phosphate buffer (pK=6.82) at pH 7.2?
A) 2.9 mmoles of Na2HPO4 and 7.1 mmoles of NaHPO4
B) 10 mmoles of Na2HPO4 and 7.1 mmoles of NaOH
C) 10 mmoles of NaHPO4 and 7.1 mmoles of HCl
D) 10 mmoles of H3PO4 and 17.1 mmoles of NaOH
E) all of the above
Correct Answer:
Verified
Correct Answer:
Verified
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