rocky71184pcm8bc rocky71184pcm8bc

29-07-2018
Chemistry

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What mass of a .413% KCN solution contains 545 mg of KCN?

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luke919 luke919

29-07-2018

328 % means 0.328 g of KCN in 100 g of solution

0.328 g of KCN ---------> 100 g of solution

1120 * 10^-3 g of KCN ------> (100 / 0.328) * 1120 * 10^-3

= 341 g of solution

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