9. If 200 mL of a 2.5 x 10-5 mol/L solution of Ni(NO3), was mixed with 200 mL of a 4.86 X
102 mol/L solution of KOH, determine if a precipitate will form. The Kg, of Ni(OH)21, is 6
X 10-16 SHOW ALL WORK.
(6 marks)

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Calculate the number of molecules present in 0.750 mol of mgo.

At the current rate, a graph of carbon dioxide produced by fossil fuels over time would slope upward slope downward be horizontal be vertical