An aqueous solution contains 3.6 mM of total ions.
If the solution is NaCl(aq), what is the concentration of chloride ion?

The concentration of the chloride ion is 1.8 mM

Explanation:

Step 1: Data given

An aqueous solution contains 3.6 mM of total ions.

Step 2: The equation

NaCl(aq)  →  Na+(aq)   +  Cl-(aq)  :   two ions

Step 3: Calculate the concentration of the chloride ion

Two ions  = 3.6 mM

Chloride ion =  3.6/2 mM= 1.8 mM

Sodium ion = 3.6/2 mM = 1.8 mM

The concentration of the sodium ions is 1.8 mM

The concentration of the chloride ion is 1.8 mM

The total concentration = 3.6 mM

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