Which of the following is the conjugate base of HPO42-? A. H3PO4
B. H2PO4
C. PO43-
D. H2P04

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

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.

Draw the lewis dot structure for each of the following polyatomic ions