Q.

The concentration of hydrogen ion in a sample of soft drink is 3.8 x 10-3 M. What is its pH?

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a

3.84

b

2.42

c

4.44

d

1.42

answer is B.

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Detailed Solution

pH=−logH+=−log3.8×10−3 =−log3.8−log10−3 =−0.5798+3=2.4202
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