6) What is the common ion effect? What principle is it an example of? Choose which solution given below would exhibit the common ion effect and explain your choice. ( +5 pts) a) A solution consisting of H 3
​
PO 4
​
,H 2
​
O 2
​
and NaClO 3
​
. b) A solution consisting of H 3
​
PO 4
​
,H 2
​
O,NaH 2
​
PO 4
​
c) A solution consisting of NaF,HBr, and H 2
​
O.