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March 27, 2017

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What is the concentration of a solution of 1.70
g of AgNO3 dissolved in enough water to
make 250 mL?

  • Chemistry - ,

    first of all you would need to find out the number of moles in solution using moles = mass/Mr
    Mr of AgNO3 = 108+14+(16x3) = 170
    moles = 1.70g/170 = 0.01

    Then you can use the formula:

    concentration = moles/volume(dm3)
    = 0.01/0.250
    = 0.04moldm-3

    hope this helps

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