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Science, Chenistry

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If you have a tank containing 10,000L of water. what weight of CaSO4.H2O must be added to math the Ca+ concentration of 130ppm

  • Science, Chenistry - ,

    in 10,000L water, that is 10E6 grams. So you must have 130ppm then 1.3kg Ca++ ion.

    moles Ca ion= 1300/40

    now, find the weight (I assume the writer means mass) of CaSO4.H2O of that same number of moles.

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