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The formula of gypsum and that of plaster of parls are CaSO4.xH2O and CaSO4.yH2O respectively.

The difference x-y equals to;

1) 1
2) 3/2
3) 5/2
4) 1/2

Help me​

Respuesta :

quasarJose

Answer:

 [tex]\frac{3}{2}[/tex]

Explanation:

Given formula of Gypsum:

               CaSO₄. xH₂O,

       True formula:

              CaSO₄. 2H₂O,  x  = 2

Formula of plaster of paris  = CaSO₄. [tex]\frac{1}{2}[/tex] H₂O,

               y  =  [tex]\frac{1}{2}[/tex]

The difference between x and y; x - y:

               x  - y = 2 -  [tex]\frac{1}{2}[/tex]  =  [tex]\frac{3}{2}[/tex]

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