Three 100.0 mL samples are prepared at 25 °C: • Sample X: 0.015 M H₂SO₄ • Sample Y:…
CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases
Problem
Three 100.0 mL samples are prepared at 25 °C:
• Sample X: 0.015 M H₂SO₄
• Sample Y: 0.025 M Ca(OH)₂
• Sample Z: 0.040 M NaOH
Assuming complete dissociation, classify each sample as acidic, basic, or neutral and then rank them from highest pOH to lowest pOH.