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Question

The pH of a soft drink is 3.82. The hydrogen ion concentration wil be: (given antilog 0.18=1.5)

A
1.96×102mollit1
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B
1.96×102mollit1
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C
1.5×104mollit1
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D
1.5×102mollit1
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Solution

The correct option is C 1.5×104mollit1
Formula:
pH=log[H+]
when pH=3.82
[H+]=103.82=104+0.18=100.18×104=1.513×104
Hydrogen ion concentration will be [H+]=1.5×104M

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