MDCAT Chemistry MCQ #117

How many grams of phenol (C6H5OH) neutralize 50 mL of 1.0 M HCl? (Molar mass=94 g/mol)

MDCAT Chemistry MCQ #117

  1. Question 1

    Q1. How many grams of phenol (C6H5OH) neutralize 50 mL of 1.0 M HCl? (Molar mass=94 g/mol)

    • A) 4.7 g
    • B) 9.4 g
    • C) 18.8 g
    • D) 47.0 g

    Answer: 4.7 g

    Explanation: Moles HCl = 0.05 × 1 = 0.05 mol. 1:1 ratio. Mass = 0.05 × 94 = 4.7 g. Option B uses 0.1 mol.