How many hydroxide ions are in 2.5 mol Mg(OH)2?
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A) How many moles of oxygen atoms are in 4.48 moles of magnesium phosphate: Mg3(PO4)2 (Mw. 262.87 g/mol)?
B) How many moles of hydroxide ion are in 4.58 moles of aluminum hydroxide: Al(OH)3 (Mw. 78.00 g/mol)?
C) How many iron ions are in 4.5 moles of iron (III) carbonate: Fe2(CO3)3 (Mw. 291.73 g/mol)?