কোনো জৈব এসিডের 0.001 M দ্রবণের pH = 4 হলে, বিয়োজন মাত্রা কত?
A. 15%
B. 1%
C. 10%
D. 5%
সঠিক উত্তরঃ
C.
10%
Explanation: [H+]=10−4 M
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