What is the chemical formula of plaster of paris? and calculate its Molecular Mass:-

Date: 2023-06-08
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WHAT IS THE CHEMICAL FORMULA OF PLASTER OF PARIS;AND MOLECULAR MASS OF IT?

The chemical formula of PLASTER OF PARIS is CaSO4. 1/2H2O.
and the molecular mass is:-
Molecular mass of CaSO4. 1/2 H2O= Mass of one atom of calcium+ Mass of one atom of sulphur
 + mass of four atoms of oxygen + 9 = 40 amu + 32 amu + 
(4 × 16) amu + 9 amu = ( 40 + 32 + 64 + 9) amu = 145 amu.

Author by(Rajkumar)

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