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25 August, 17:25

A 49.48-mL sample of an ammonia solution is analyzed by titration with HCl. It took 38.73 mL of 0.0952 M HCl to titrate the ammonia. What is the concentration of the original ammonia solution?

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  1. 25 August, 19:24
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    M₂ = 0.0745 M

    Explanation:

    In case of titration, the following formula can be used -

    M₁V₁ = M₂V₂

    where,

    M₁ = concentration of acid,

    V₁ = volume of acid,

    M₂ = concentration of base,

    V₂ = volume of base.

    from, the question,

    M₁ = 0.0952 M

    V₁ = 38.73 mL

    M₂ = ?

    V₂ = 49.48 mL

    Using the above formula, the molarity of ammonia, can be calculated as,

    M₁V₁ = M₂V₂

    0.0952 M * 38.73 mL = M₂ * 49.48 mL

    M₂ = 0.0745 M
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