Introduction to Titration

AP Chemistry· difficulty 4/5

25.0 mL of 0.100 M H2_2SO4_4 requires what volume of 0.200 M NaOH for complete neutralization?

  • A
    1. mL
  • B

    50.0 mL

  • C

    12.5 mL

  • D

    25.0 mL (nH+=nOHn_{H^+} = n_{OH^-}, with H2_2SO4_4 providing 2 H+^+)

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Explanation

Moles H+^+ = 2(0.100)(0.0250) = 0.00500. Moles NaOH needed = 0.00500. V = 0.00500/0.200 = 0.0250 L = 25.0 mL.

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