1. Balanced Chemical Equation:

First, we need the balanced chemical equation for the reaction between hydrochloric acid (HCl) and potassium hydroxide (KOH) to form potassium chloride (KCl) and water (H₂O):

HCl(aq) + KOH(aq) → KCl(aq) + H₂O(l)

2. Mole Ratio:

From the balanced equation, we see that 1 mole of HCl reacts to produce 1 mole of KCl. This is our mole ratio.

3. Calculation:

Since the mole ratio is 1:1, if we have 7 moles of HCl, we will also produce 7 moles of KCl.