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Question

0.36 m o l e N H_{4} O H ও 0.18 m o l e N H_{4} C l

দ্বারা তৈরি বাফার দ্রবণের pH কত?

p H [p K_{b} = 4.75]

4.45

5.05

9.25

8.95

9.55

ANSWER : 5

Descrption

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