What other elements are in the same group (aka family) as Lithium-List symbols O Be, B, C, N, O, F, Ne
O H, Na, K, Rb, Cs, Fr
O Be, Mg, Na, Ca, Sr, Ba
O F, Re, N, C, H, Fr, 1, Es

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