chemistry

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How many grams of solid NaOH are required to prepare 200 mL of a 0.05 M solution? What will be the concentration expressed in % W/V?

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  1. For the first part, just remember the definition. molarity = # mols/Liter of solution.
    AND mols = grams/molar mass.
    Using equation 1, you know molarity and you know liters, calculate mols.
    Using equation 2, you know mols and molar mass, calculate grams.

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