B, the opposing forces are the same, thus, the ball doesn't move back or forward.
Answer:
are there any options for us to choose from? or is it just fill in the blank
All problems are caused by a factor in which human beings play an important role in its cause.
<span>1 mol mag acetate dissociates into 1 mol Mg ion and 2 mols acetate ions in water. Therefore, if 0.6 mol mg of acetate is dissolved in 0.135 literss of water, we will have 0.6/0.135 = 4.44 moles / lit Mg2+ ions and 0.6*2/0.135 = 8.88 moles / liter C2H3O2- ions.</span>