A student measures the mass and volume of a piece of aluminum. The measurements are 25.6 grams and 9.1 cubic centimeters. The student calculates the density of the aluminum. What is the percent error of the student's calculated density of aluminum?

(1) 1% (3) 3%

(2) 2% (4) 4%

Question

Chemistry

Rhianna Barr

29 June, 02:28

A student measures the mass and volume of a piece of aluminum. The measurements are 25.6 grams and 9.1 cubic centimeters. The student calculates the density of the aluminum. What is the percent error of the student's calculated density of aluminum?

(1) 1% (3) 3%

(2) 2% (4) 4%

+2

Answers (1)

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Madilyn Payne · Answer 1

The theoretical density of aluminum is 2.7 g/cm3. The experimental density is 25.6/9.1=2.8 g/cm3. The percent error is (2.8-2.7) / 2.7*100%=3.7%≈4%. So the answer is (4) 4%.

A student measures the mass and volume of a piece of aluminum. The measurements are 25.6 grams and 9.1 cubic centimeters. The student calculates the density of the aluminum. What is the percent error of the student's calculated density of aluminum?(1) 1% (3) 3%(2) 2% (4) 4%

A student measures the mass and volume of a piece of aluminum. The measurements are 25.6 grams and 9.1 cubic centimeters. The student calculates the density of the aluminum. What is the percent error of the student's calculated density of aluminum?

(1) 1% (3) 3%

(2) 2% (4) 4%