Question

The fully hydrated form of sodium sulfate is the decahydrate, Na2SO4 + 10H2O. When heated the hydrated salt loses water. How many water molecules are found per formula unit in a partially dehydrated sample of sodium sulfate with a formula mass of 160.1 amu (i.e. find n for Na2SO4 + nH2O)?
A) 1 waters.
B) 5 waters.
C) 3 waters.
D) 4 waters.
E) 7 waters.

Answer

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