Question

Determine the molarity of a solution prepared by dissolving 141.6 g of citric acid , c3h5o(cooh)3 , in water and then diluting the resulting solutionto 3500.0ml

Answer 1

   The molarity  of a solution  prepared  by dissolving  141.6g of citric acid in water is calculated as  below

find the the number  of moles

moles= mass/molar mass

= 141.6 g/ 192 g/mol = 0.738  moles

molarity= moles/molar mass

= 0.738/3500 x1000  = 0.21 M