The crystalline salt Na2SO4.xH2O on heating loses 55.5% of its weight the formula of crystalline salt is??? a)Na2SO4.5H2O b)Na2SO4.7H2O c)Na2SO4.2H2O d)Na2SO4.10H2O e)Na2SO4.6H2O
Good question, I would opt for
We write the dehydration reaction as follows....
We assume we start with a
And thus we got
Anhydrous sodium sulfate is often used as a preliminary drying agent with which to treat wet solvents......