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Concentration of Solutions

Concentration of Solutions - per kg of solvent 20 M of...

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Concentration of Solutions can be expressed in different ways as follows : i) Weight percentage of solute is the weight of solute( × 100), divided by the total weight of the solution. i.e. 10% w/w of NaCl means 10 gms of NaCl is present in a 100 g of solution. ii) The molarity , M, of a solution is the number of moles of solute
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Unformatted text preview: per kg of solvent. 20 M of sodium chloride solution means 20 moles (20 × 55.5 gms) of sodium chloride dissolved in a solvent to get one liter of solution. iii) The molality , m, of a solution is the number of moles of solute per kg of solution....
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