Multiple Choice
What mass of ammonium chloride must be added to 250.mL of water to give a solution with pH = 4.85? [Kb(NH3) = 1.8 × 10-5]
A) 4.7 g
B) 75 g
C) 2.3 × 10-3 g
D) 19 g
E) 10.g
Correct Answer:
Verified
Correct Answer:
Verified
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