The density of an unknown metal was determined to be 2.85 g/mL. The actual density was 2.70 g/mL. What is the percent error in this determination?

1 Answer
Mar 25, 2018

#5.56%#

Explanation:

#%"error" = |("Theoretical value - Experimental value")/"Theoretical value"| × 100#

In this case,

Theoretical value #"= 2.70 g/mL"#

Experimental value #"= 2.85 g/mL"#

#%"error" = |("2.70 g/mL"\ - \"2.85 g/mL")/("2.70 g/mL")| × 100 = 0.0556 × 100 = color(blue)(5.56)#