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March 26, 2017

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How much NaOH (g) would you need to dissolve in water in order to prepare 2.75 L of a NaOH solution in which [OH-]= 0.50 M?

  • chemistry - ,

    (OH^-) = 0.50M; therefore, NaOH = 0.5M.
    How many mols do you need? That's M x L = 0.5M x 2.75L = ?
    Then mols = grams/molar mass. You know molar mass and mols, solve for grams.

  • chemistry - ,

    54.996 or 55.0 g NaOH

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