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March 26, 2017

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20.2 g of potassium phosphate is dissolved into 650 ml of H2O

  • chemistry - ,

    That's a statement, not a question. You want to know what?

  • chemistry - ,

    20.2 g of potassium phosphate is dissolved into 650 ml of H2O
    yes i so confuse i need to know what property is if is morality , osmolarity , boiling point or if are another property? thank you.

  • chemistry - ,

    It's a property that it dissolves in water. One can calculate molality (note it isn't morality --these solutions have no moral character).
    The definition is m = moles/kg solvent.
    moles = grams/molar mass.
    Solve for moles first, then substitute into m = moles/kg and solve for molality.

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