More Chem. Calculate the amount of solute needed to prepare the following solutions: a. 50.0mL of a 5.0% (m/v) KCl solution b. 1250 mL of a 4.0% (m/v) NH4Cl solution ...?

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asked Apr 19, 2017 117k views

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Krtko · Answer 1 · 2017-04-23T22:14:11+0000

The given percentage is that of the solute, so we subtract it from 100% to get the percentage of solvent.

a) 50 x 0.95
= 47.5 ml of solvent

b) 1250 x 0.96
= 1200 ml of solvent.

More Chem. Calculate the amount of solute needed to prepare the following solutions: a. 50.0mL of a 5.0% (m/v) KCl solution b. 1250 mL of a 4.0% (m/v) NH4Cl solution ...?

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