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5 February, 15:42

What was the resulting molarity of your primary standard solution of potassium iodate kio3?

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  1. 5 February, 16:51
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    Missing question: 0,535 gram of KIO₃ dissolved in 250 mL of de-ionized water to make primary standard solution.

    m (KIO₃) = 0,535 g.

    V (KIO₃) = 250 mL : 1000 mL/L = 0,25 L.

    n (KIO₃) = m (KIO₃) : M (KIO₃).

    n (KIO₃) = 0,535 g : 214 g/mol.

    n (KIO₃) = 0,0025 mol.

    c (KIO₃) = n (KIO₃) : V (KIO₃).

    c (KIO₃) = 0,0025 mol : 0,25 L.

    c (KIO₃) = 0,01 mol/L = 0,01 M.
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