Identify the letter of the choice that best completes the statement or answers the question.
how close a measured value is to an accepted value is called a(n)
a.
accuracy.
b.
percent error.
c.
measured value
d.
precise measurement.

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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