Ariel found the density of an unknown solid to be 24.3 g/cm3. Her teacher told her that something must have gone wrong with her measurements because her percent error was 30.0% too high. What was the actual or accepted density of her unknown solid?

Question

Ariel found the density of an unknown solid to be 24.3 g/cm3.  Her teacher told her that something must have gone wrong with her measurements because her percent error was 30.0% too high.  What was the actual or accepted density of her unknown solid?

DrBob222 · Answer

Just plug the numbers into the formula for percent error. (24.3-x/x) = 0.30 Solve for x

Anonymous · Answer

18.7