What are the mass percents of nitrogen in the following compounds: dinitrogen monoxide, nitrogen dioxide, nitrogen trihydride and dinitrogen tetraoxide?
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explanation:

i think option no d is the correct answer

the correct answer to this question is 2

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