Write the balanced dissociation equation for MgCl2. (1 mark)

MgCl2(s) + H2O(l) ==> Mg^+2(aq) + 2Cl^-(aq)

b) In 300.0 mL of a 0.50 M MgCl2 solution, what would be the concentration of the chloride ions?

1 answer

In 300.0 mL of a 0.50 M MgCl2 solution, what would be the concentration of the chloride ions?
(MgCl2) is 0.50 M.
There are two Cl^- for each MgCl2; therefore, the Cl will be twice the MgCl2.
The equation for part a is correct.
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