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The molarity of an aqueous solution of barium hydroxide is determined by titration against a 0.335 M nitric acid solution.

If 32.8 mL of the base are required to neutralize 21.5 mL of nitric acid, what is the molarity of the barium hydroxide solution?

  • chemistry -

    Ba(OH)2 + 2HNO3 ==> Ba(NO3)2 + 2H2O

    mols HNO3 = M x L = ?
    mols Ba(OH)2 = 1/2 that from the coefficients in the balanced equation.
    Then M Ba(OH)2 = mols Ba(OH)2/L Ba(OH)2. YOu know mols and L, solve for M.

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