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

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asked Nov 4, 2019 68.2k views

1 vote

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

Chemistry
middle-school

EEE asked

by EEE

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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

Datinc answered Nov 8, 2019

by Datinc

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