Consider the following reaction: 4FeS2 + 11O2 → 2Fe2O3 + 8SO2

When 28.42 grams of FeS2 reacts with 5.44 grams of O2, how many grams of SO2 are formed?

What is the limiting reactant?

What is the excess reactant?
I'm begging

Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.

What is the number of moles in 15.0 g ash3?

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount