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The pH of 0.1M monobasic acid is 4.50. C...

The `pH` of `0.1M` monobasic acid is `4.50`. Calculate the concentration of species, `H^(o+), A^(Θ)`, and `HA` at equilibrium. Also determine the value of `K_(a)` and `pK_(a)` of the monobasic acid.

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To solve the problem, we will follow these steps: ### Step 1: Calculate the concentration of \( H^+ \) ions from the pH. Given: - pH = 4.50 Using the formula: \[ ...
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Knowledge Check

  • The pH of a 0.01 N monobasic acid is 4. The acid must be

    A
    strong
    B
    weak
    C
    same
    D
    different

  • If pH of a 0.01N monobasic acid is 2.0, the acid must be

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    strong
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    weak
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    same
    D
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  • The pH of 0.1 M monobasic acid is 4.50 . The acidity constant (K_(a)) of the monobasic acid is

    A
    `1.0xx10^(-7)`
    B
    `1.0xx10^(-5)`
    C
    `1.0xx10^(-4)`
    D
    `1.0xx10^(-8)`

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