A solution was prepared by dissolving 5.76 g of KCl MgCl2 6H2O (277.85 g/mol) in

Question:

A solution was prepared by dissolving 5.76 g of KCl ∙ MgCl2 ∙ 6H2O (277.85 g/mol) in sufficient water to give 2.000 L. Calculate
(a) The molar analytical concentration of KCl ∙ MgCl2 in this solution.
(b) The molar concentration of Mg2+.
(c) The molar concentration of Cl-.
(d) The weight/volume percentage of KCl ∙ MgCl2 ∙ 6H2O.
(e) The number of millimoles of Cl- in 25.0 mL of this solution.
(f ) ppm K+.
(g) pMg for the solution.
(h) pCl for the solution.