In 1L of a 3M solution of sodium chloride, how many grams of sodium chloride are in the solution?

1 Answer
MM ยท Stefan V.
Apr 5, 2017

"175.35 g"

Explanation:

A "3 M" solution has 3 moles of solute per litre.

The mass of one mole of "NaCl" equals the MW of "NaCl"

"MW" = 35.45 + 23 = "58.45 g/mol"

The mass of 3 moles is

"58.45 g/mol" xx "3 mol" = "175.35 g NaCl"

or "200 g" rounded to one sigfig.

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