What is the mass % of aluminum in aluminum sulfate (Al₂(SO₄)₃)rounded to three significant figures?

Name: What is the mass % of aluminum in aluminum sulfate (Al 2 (SO 4 ) 3 )rounded to three significant figures?
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Quizplus · Accepted Answer

To find the mass % of aluminum in aluminum sulfate, calculate the molar mass of Al2(SO4)3 and the total mass of aluminum in the compound. The molar mass of Al2(SO4)3 is approximately 342.15 g/mol. The mass of 2 moles of Al is about 53.96 g. The mass % is (53.96/342.15) * 100 = 15.8%.

What Is the Mass % of Aluminum in Aluminum Sulfate