Three 1.0-g samples of PbCl2, KCl, and CaCl2 are placed in separate 500-mL beakers. In each case,

Question:

Three 1.0-g samples of PbCl2, KCl, and CaCl2 are placed in separate 500-mL beakers. In each case, enough 25oC water is added to bring the total volume of the mixture to 250 mL. Each of the mixtures is then stirred for five minutes. Which of the mixtures will have the highest concentration of chloride (Cl–) ion?