What is the formula unit for a compound made from Fe2+ and oxygen? (3 points) OFe FeO Fe2O O2Fe

If 200.0g of copper(ll) sulfate react with an excess of zinc metal, what is the theoretical yield of copper

Tell me the iupac name of the following compounds:

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.