Suppose 180 ml of 3.52x10^-4 m naoh is mixed with 220 ml of 2.47x10^-4 m mgcl2.

a) find the initial concentrations of oh- (aq) and mg^2+ assuming the volumes are additive

Which of the following is most likely true about water in chemical solutions?

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.

What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.