Question
The molecular formula of 2.68g hydrated sodium sulphate is Na2SO4.nH2O.If the mass loss on heating is 1.26g then calculate the value of n.
Answers
bobpursley
figure the moles of the hydrated molecule in (2.68-1.26) grams of Na2SO4
then, figure the moles of H2O in 1.26.
the ratio of the second to the first is n
then, figure the moles of H2O in 1.26.
the ratio of the second to the first is n