How many O2- ions are there in 0.65 moles of aluminumoxide, Al2O3 ? What is the mass of theseO2- ions in grams?
_____ mol O2-
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how many moles of O^2- ions are there in .35 moles of aluminum oxide Al2O3? What is the mass in grams of these O^2- ions?
In the reaction 2 Al3++ 3 O2--> Al2O3,if starting with 0.15 moles of aluminum ions and 0.25 moles ofoxide ions, which is the limiting reactant?
How many moles of H+(aq) ions are present in 750 mL of 0.65 M hydrochloric acid?