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Chem I

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Calculate the concentrations of hydronium and hydroxide ions in a solution prepared by dissolving 0.345g of solid NaOH in enough water to make 225mL of solution. Also calculate the pH and pOH of the solution.

  • Chem I - ,

    NaOH is a strong electrolyte. It ionizes completely.
    moles = grams/molar mass.
    Solve for moles.

    M = moles/L soln.
    Substitute and solve for OH, convert to pOH, then to pH.

  • Chem I - ,

    Thank you! I will probably have more questions in a bit! I appreciate it!

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