Chemistry

How do you prepare a 0.4 M soultion of copper sulfate in water starting with solid copper sulfate and water?

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  1. 0.4 M soln means 0.4 mol/L soln.
    mols = g/molar mass
    0.4 mol = g/molar mass.
    Calculate molar mass CuSO4, solve for grams, weigh that many grams, add to a 1 L volumetric flask, add some water, swirl until all of the salt is dissolved, make to the mark with distilled water, shake to mix thoroughly.

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