A 1.628g sample of a hydrate of Magnesium iodide (Mgl₂ xH2O) was heated strongly for five minutes. The mass of the anhydrous

Question

A 1.628g sample of a hydrate
of Magnesium iodide (Mgl₂ xH2O) was
heated strongly for five minutes. The
mass of the anhydrous left had a mass
of 0.712g. It was then heated for a
further 3 minutes and the mass
remained at 0.712g.
a. Find the mass of water driven off (1
mark)
b. Find the moles of anhydrous magnesium
iodide and moles of water (3 marks)
c. Find the name and formula of the
hydrate (2 marks)
d. Why was the compound heated twice? (1
mark)

Kunduz · Accepted Answer

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