You have the following reagents on hand:
Solids (pKa of Acid Form Is Given) | Solutions |
Benzoic acid (4.19) | 5.0 M HCI |
Sodium acetate (4.74) | 1.0 M acetic acid (4.74) |
Potassium fluoride (3.14) | 2.6 M NaOH |
Ammonium chloride (9.26) | 1.0 M HOCI (7.46) |
What combinations of reagents would you use to prepare buffers at the following pH values?
a. 3.0
b. 4.0
c. 5.0
d. 7.0
e. 9.0
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