Answer to Question #192244 in Physical Chemistry for SANELI sikhakhane

Question

Calculate the mass of potassium hydrogen phthalate (KHP) needed to prepare a 0.1 M solution in a 250.0 ml volumetric flask given that the molar mass of potassium hydrogen phthalate is 204.23 g/mol

Answer 1

m=204.23×250/1000×0.1=5.10575‬ (g)

Mass of potassium hydrogen phthalate (KHP) needed is 5.1058 g.