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At room temperature, a student determines the density of a sample of nickel to be 9.79 g/cm3. Based

June 2023 NY Regents Chemistry Exam


34 At room temperature, a student determines the density of a sample of nickel to be 9.79 g/cm3. Based on Table S, what is the student’s percent error for the density of nickel?

(1) 0.091%

(2) 0.10% (3) 9.1%

(4) 10.%


Solution: According to table S, the density of nickel is 8.90 g/cm3. Table T shows the formula for % error which is

% error= (measured value – accepted value/accepted value)*100.

Now all we need to do is plug everything in. The values in Table S are accepted values.

Answer: 4


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