# A sample of steel with a density of 7.81 g/ml is added to a 100-mL graduated cylinder with 45.0mL of water. If the resulting water level is 55.5 mL, what is the mass of the sample of steel?

##### 1 Answer

Mar 4, 2016

#### Answer:

Just over

#### Explanation:

The water level rose from

Assuming that the density of the water is

So now we can work out the mass. We know that

#"density" = "mass"/"volume"#

therefore

#"mass" = "volume" xx "density"#

Therefore the mass is

#10.5 xx 7.81 = "82.005 g"#