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March 26, 2017

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calculate molarity of NaOHin the solution prepared by dissolving its 4g in enough water to form 250ml of this solution ?

  • chemistry - science - ,

    mols NaOH = grams/molar mass
    The M = moles NaOH/L soln.

  • chemistry - science - ,

    molarity=moles of solute/volume of whole solution in litres
    so the mass of Na/molar mass of NaOH all divided by .250Litres

    4g/40g divided by .250 litres is .4 M.
    The answer is .4

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