How many grams of KI would you need to prepare 0.50 g of 7.0% KI (m/m) solution?

Question

How many grams of KI would you need to prepare 0.50 g of 7.0% KI (m/m) solution?

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Đan Thu 4 years 2021-08-11T11:03:52+00:00 1 Answers 32 views 0

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  1. minhkhang
    0
    2021-08-11T11:05:02+00:00
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    Answer:

    fomula; ( x = mutiplacation btw)

    % m/m = m(solute) / m(solution) x 100%

    0.50g x 70% = m/m x 100%

    0.5g x 70% / 100% = 3.5 g KI

    (both % cancle each other)

    Explanation:

    heads up might be wrong i did it myself

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