Question: Neglecting any effects caused by volume changes, would you expect the ionic strength to (1) increase, (2) decrease, or (3) remain essentially unchanged when NaOH

Neglecting any effects caused by volume changes, would you expect the ionic strength to (1) increase, (2) decrease, or (3) remain essentially unchanged when NaOH is added to a dilute solution of
(a) Magnesium chloride [Mg(OH)2(s) forms]?
(b) Hydrochloric acid?
(c) Acetic acid?

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