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The concentration of hydrogen ion in a s...

The concentration of hydrogen ion in a soft drink is `3.8xx10^-3`. What is its pH?

Text Solution

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`pH = -log[3.5 xx 10^(-3)] = -{log[3.5] + log[10^(-3)]}`
`= -{(0.54) + (-3.0)} = -{-2.46} = 2.46`
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Knowledge Check

  • Calculate the concentration of CO_2" in molL"^(-1) in a soft drink that is bottled with a partial pressure of CO_2 of 4 atm over the liquid at 25^@C. The Henry's law constant for CO_2 in water at 25^@C" is "3.1xx 10^(-2)" mol/litre -atm."

    A
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    B
    0.326
    C
    0.124
    D
    0.186

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