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Dissociation constant of a weak acid or base from its percent dissociation and concentration

The same question, asked 13 times: 10 May 2023 S2*, 11 May 2023 S1*, 10 May 2024 S1*, 11 May 2024 S2*, 14 May 2024 S1*, 21 Apr 2025 S2*, 22 Apr 2025 S1*, 22 Apr 2025 S2*, 23 Apr 2025 S1*, 25 Apr 2025 S1*, 25 Apr 2025 S2*, 12 May 2026 S2*, 14 May 2026 S2. Every wording below, oldest first.

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  1. Question 1

    10 May 2023 S2

    51
    Calculate dissociation constant of a weak monobasic acid if it is 0.05% dissociated in 0.02 M solution.

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  2. Question 2

    11 May 2023 S1

    86
    A monobasic acid is 5% dissociated in its 0.02 M solution. Calculate the dissociation constant of acid.

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  3. Question 3

    10 May 2024 S1

    51
    Acetic acid dissociated to 1.20% in its 0.01 M solution. Value of dissociation constant is

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  4. Question 4

    11 May 2024 S2

    66
    A weak base is 1.42%1.42\% dissociated in its 0.05 M solution. Calculate its dissociation constant.

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  5. Question 5

    14 May 2024 S1

    84
    Calculate dissociation constant of 0.001 M weak monoacidic base undergoing 2% dissociation.

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  6. Question 6

    21 Apr 2025 S2

    73
    A monobasic weak acid dissociates to 1.2%1.2\% in its 0.01 M solution at 298 K . Calculate dissociation constant of it.

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  7. Question 7

    22 Apr 2025 S1

    89
    Calculate the value of dissociation constant of weak monoacidic base if it dissociates to 2%2\% in 0.1 M solution?

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  8. Question 8

    22 Apr 2025 S2

    71
    A weak monoacidic base dissociates to 1.5%1.5\% in 0.001 M solution at 298 K . Calculate the dissociation constant of weak base.

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  9. Question 9

    23 Apr 2025 S1

    61
    A weak base is 5%5\% dissociated in its 0.01 M solution. Calculate the dissociation constant.

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  10. Question 10

    25 Apr 2025 S1

    75
    Calculate the value of dissociation constant of weak acid, which dissociates to 0.01%0.01\% in its 0.1 M solution?

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  11. Question 11

    25 Apr 2025 S2

    90
    A monobasic weak acid dissociates 2%2\% in its 0.002 M solution. Calculate the dissociation constant of weak acid.

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  12. Question 12

    12 May 2026 S2

    9
    A weak monobasic acid is 0.08%0.08\% dissociated in 0.020.02M solution. Calculate the dissociation constant of weak acid.

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  13. Question 13

    14 May 2026 S2

    9
    Calculate the dissociation constant of weak monobasic acid if it dissociates to 0.04%0.04\% in 0.20.2 M solution.

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