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Question:

If you are given 0.5423 grams of aluminum foil, what is the maximum mass (in grams) of alum (K2SO4·Al2(SO4)3·2?

If you are given 0.5423 grams of aluminum foil, what is the maximum mass (in grams) of alum (K2SO4·Al2(SO4)3·24H2O) you could synthesize?

Answer:

1mole of K2SO4·Al2(SO4)3·24H2O , whose molar mass is 948.78 g/mol contains 2 moles of Aluminum 26.98 g/mol 53.96 grams Al 0.5423 grams (948.78 g/mol alum) / (53.96 grams Al) 9,5352 grams of alum your answer, rounded to 4 sig figs is 9,535 grams of alum
Aluminum is from group 3 and there for has 3 electrons in its outer shell and desires 5 to fill itit is going to react with any aspects from group 5 that desire aluminum's 3 electrons.

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