Titration experiments
Chemistry Laboratory and Practical Skills · Chemistry
Study notes
25.0 mL NaOH neutralized by 20.0 mL 0.1M HCl. Find NaOH molarity. Step 1: M₁V₁ = M₂V₂ → M(NaOH) × 25.0 = 0.1 × 20.0. Step 2: M = 2.0/25.0 = 0.08 M. Step 3: Phenolphthalein: pink → colourless at end point. Step 4: Titration math — volumes reveal concentration!