homework help

Question

determine the mass% of Cl- if it takes 21.35 ml of Agno3 to titrate 0.375 g of an unknown chloride sample?

Answer 1

Cl- + Ag+ ==>AgCl(s)

Now, all we need to know is the concentration of the AgNO3 used to titrate the Cl-.  From that you can find moles of Cl- and then grams of Cl- and then mass %.