Chemistry

A 20.0-mL sample of 0.300 M HBr is titrated with 0.150 M NaOH. What is the pH of the solution after 40.3 mL of NaOH have been added to the acid?

  1. 180
asked by Jason
  1. Write and balance the equation.
    mols HBr = M x L = ?
    mols NaOH = M x L = ?

    Which reactant is in excess.
    If HBr, the pH = -log(HBr)
    If NaOH, the pOH = -log(NaOH) and pH + pOH = pKw = 14.

    posted by DrBob222

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