Multiple Choice
The pKa's of the three acid-conjugate base pairs derived from phosphoric acid, H3PO4, are 2.12, 7.21 and 12.32. How many g of sodium hydroxide would have be added to 150 mL of 0.1 M H3PO4 to prepare a buffer of pH = 7.41?
A) 0. 21 g
B) 0.34 g
C) 0.56 g
D) 0.83 g
E) 0.91 g
Correct Answer:
Verified
Correct Answer:
Verified
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