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1. 98 grams of c alcium chloride (CaCl 2 ) are dissolved in water to prepare one liter of solution. Find normality , molality and
1. 98 grams of calcium chloride (CaCl2) are dissolved in water to prepare one liter of solution. Find normality, molalityand molarity of solution
Methods of expressing the composition of solids, liquids and gases: Molarity: It is defined as the number of gram moles of solute per liters of solution. It represented by a symbol ' M ' Molarity(M)=VolumeofsolutioninlitreNumberofgram.molesofsolute Molality: It is defined as the number of gram moles of solute per kilograms of solvent. It is represented by the symbol ' m '. Molality(m)=MassofsolventinkgNumberofgrammolesofsolute 8 Methods of expressing the composition of solids, liquids and gases: Normality: It is defined as the number of gram- equivalents of solute dissolved in one litre of solution. It is represented by the symbol " N Where, Normality (N)=VolumeofsolutioninlitreNumberofgram.equivalentsofsolute Numberofgram-equivalentsofsolute=EquivalentweightWeightofsoluteingramEquivalentweight=ValencyMolecularweight The concentration of solute in a solution is expressed in terms of normality and equivalent weight as follows by using this Methods Plz
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