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Question: aluminium sulfate is used in the manufacture of paper and...

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Aluminium sulfate is used in the manufacture of paper and in the water purification industry. In the solid state, aluminium sulfate is a hydrate with the formula Al2(SO4)3.18H2O.

(a)       What mass of sulfur is there in 0.570 moles of solid aluminium sulfate?

 

(b)       How many water molecules are there in a 5.10 g sample of solid aluminium sulfate?

 

(c)     What mass of sulfate ions is there in a sample of solid aluminium sulfate that contains 12.5 moles of oxygen atoms? 

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