a. The process of filtration is performed in the laboratory to * O form precipitates o remove water from solutions O separate dissolved particles from the solvent o separate insoluble substances in an aqueous mixture​

i do not get it   at all

catya that's not even a b or c

the dissociation of nickel hydroxide is follows:

the concentration of hydroxide ion is

the equilibrium constant value of nickel hydroxide is = 6.1 * 10^-^1^6 and thus equilibrium equation can be written as:

thus, concentration of ni is 0.23 * 10^-^4 mol /l