How many grams of NaCl are needed to prepare a 1.0 m solution using 250 g of solvent?

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04-03-2022
Chemistry

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How many grams of NaCl are needed to prepare a 1.0 m solution using 250 g of solvent?

Sagot :

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chuksmss chuksmss · Answer 1 · 2022-03-04T07:52:36-05:00

chuksmss chuksmss

04-03-2022

Answer:

14.61g

Explanation:

A 1 M solution corresponds to 1 mole of the solute (here, sodium chloride, NaCl) in 1 L of solvent (here probably water). Since the question calls for only making 250 mL, or 1/4 of a L, only 1/4 or 0.25 mol will be required. The molecular weight of NaCl is 58.44 g/mol so you will need:

0.25 mol * 58.44 g/mol = 14.61 g

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