Given the reaction: 4Al + 3O2= 2AL2O3 How many moles of aluminum oxide, Al2O3, can you produce if you have 2 moles of Al

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

What is the percent by mass of magnesium sulfate in mgso4.7h2o