PLEASE HELP AND FAst 3. The reaction of hydrogen (H2) and fluorine (F2) produces hydrofluoric acid
(HF). How many grams of HF are produced if 3.00 g of hydrogen react with
excess fluorine with a 25 percent yield?

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.