50 mL 0.175M HCOOH দ্রবণে 50 mL 0.09M NaOH দ্রবণ যোগ করা হলো।দ্রবণের pH কত?(Ka=1.8×10-4)

A 10.230

B 5.9673

C 5.6957

D 3.7695

Solution

Correct Answer: Option D

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