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Lemon juice has a pH 2, what is the conc...

Lemon juice has a pH 2, what is the concentration of `H^(+)` ions?

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Laundry detergent has a pH 8.5, What is the concentration of H^(+) ions ?

At 25^(@)C, K_(c ) for the reaction 3C_(2)H_(2(g))hArr C_(6)H_(6(g)) is 4.0. If the equilibrium concentration of C_(2)H_(2) is 0.5 mol. lit^(-1) . What is the concentration of C_(6)H_(6) ?

Knowledge Check

  • pH of buffer depends upon concentration of

    A
    acid `(H^+)`
    B
    Conjugate base `(OH^-)`
    C
    Salt
    D
    Both (a) and (b )

  • Equal volumes of three and acid solutions of pH 1,2 and 3 are mixed in a vessel, What will be the H^+ ion concentration in the mixture?

    A
    `3.7xx10^(-2)`
    B
    `10^-6`
    C
    `0.111`
    D
    none of these

  • When pH of a solution is 2, the hydrogen ion concentration in moles "litre"^(-1) is

    A
    `1xx10^(-12)`
    B
    `1xx10^(-2)`
    C
    `1xx10^(-7)`
    D
    `1xx10^(-4)`

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    Calculate the pH of a solution in which the concentration of the hydrogen ions is 1.0xx10^(-8) mol litre^(-1)

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