Chem

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A 20.00−mL sample of an unknown HClO 4 solution requires titration with 22.92mL of 0.2200M NaOH to reach the equivalence point.
What is the concentration of the unknown HClO 4 solution? The neutralization reaction is:
HClO 4 (aq)+NaOH(aq)¨H 2 O(l)+NaClO 4 (aq)

  • Chem -

    mols NaOH = M x L = ?
    mols HClO4 = mols NaOH (from the coefficients in the balanced equation)
    M HClO4 = mols/L solution.

  • Chem -

    37

  • Chem -

    0.218

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