Asked by tina

Calculate the theoretical percentage of water in gypsum, rounded to the nearest whole number %. (calcium sulfate dihydrate; CaSO4 ° 2H2O; Ca = 40 g/mol, S= 32 g/mol; O= 16 g/mol; H= 1 g/mol).

Answered by DrBob222
%H2O = (mass H2O/mass CaSO4.2H2O)*100 = ?
Use molar masses for H2O and gypsum.
Answered by Anonymous
Hjko
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