Aluminum sulfate, Al2(SO4)3, is used in some antiperspirants.
a. How many moles of sulfur are present in 3.0 mol of Al2(SO4)3?
b. How many moles of aluminum ions are present in 0.40 mol of Al2(SO4)3?
c. How many moles of sulfate ions (SO42−) are present in 1.5 mol of Al2(SO4)3?
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