Multiple Choice
Assuming no volume change on mixing,what mass of ammonium chloride should be added to 250.0 mL of 0.25 M aqueous ammonia to produce a solution of pH 10.70? (Kb for ammonia is 1.8 × 10-5)
A) 3.7 mg
B) 120 mg
C) 40 mg
D) 30 mg
E) 80 mg
Correct Answer:
Verified
Correct Answer:
Verified
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