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?
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How many O2- ions are there in 0.65 moles of aluminumoxide, Al2O3 ? What is the mass of theseO2- ions in grams?
_____ mol O2-
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?
Aluminum sulphate is used in the manufacture of paper and in the water purification industry. In the solid state, aluminum sulphate is a hydrate. The formula is Al2(SO4)3.18H2O.
How many grams of sulphur are there in 0.422 moles of solid aluminum sulphate?
How many water molecules are there in a 4.87 g sample of solid aluminum sulphate? How many moles of sulphate ions are there in a sample of solid aluminum sulphate that contains 12.4 moles of oxygen atoms?
An aqueous solution of aluminum sulphate contains 1.15 % by mass aluminum and has a density of 1.05 g/mL.
What is the concentration of aluminum ions in the solution? in M