Multiple Choice
What mass of sodium nitrite must be added to 350.mL of water to give a solution with pH = 8.40? [Ka(HNO2) = 5.6 × 10-4]
A) 68 g
B) 1.7 × 10-4 g
C) 0.039 g
D) 8.3 g
E) 24 g
Correct Answer:
Verified
Correct Answer:
Verified
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