How does oxygen satisfy the octet rule? mark all that apply. a. it gains 2 electrons b. it transfers 6 electrons c. it gains 8 electrons d. it shares 2 electrons with another nonmetal

You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

The excretory system, need answers for all: )