In an experiment, the density of an unknown liquid was calculated to be 0.78 g/ml. if the accepted value is 0.75 g/ml, calculate the percent error made.

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Chemistry

Sandra Peck

1 March, 19:43

In an experiment, the density of an unknown liquid was calculated to be 0.78 g/ml. if the accepted value is 0.75 g/ml, calculate the percent error made.

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Terrence Sandoval · Answer 1

Percentage error is the relative error your measured value is from the true or accepted value. The formula for percentage error is written below:

Percentage error = |True Value - Measured Value|/True Value * 100

Percentage error = |0.75 g/mL - 0.78 g/mL|/0.75 g/mL * 100

Percentage error = 4%