What was the Copernican revolution? A. The discovery that the universe was expanding
B. The discovery that the moon revolved around the Earth
O C. The discovery that the Earth revolved around the sun
OD. The discovery that the sun was not the center of the universe
SUBMIT

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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