chem 1

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if 58.44 g of sodium chloride is dissolved in 0.5 liter of water what is the molarity of the sodium chloride solution? The molar mass of sodium chloride is 58.44 grams per mole.

  • chem 1 -

    so you have one mole in half a liter which is 2 moles per liter

  • chem 1 -

    Molarity=number of moles(n)/volume
    also n=mass(m)/molar mass(M)
    therefore,

    Molarity(C)=mass/molar mass*volume

    C=58.44g/0.5L(58.44g/mol)
    C=2moles per litre

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