How do you calculate the mass of a rectangular solid that has a density of 3.14 g/cm^3 and measures 2.50 cm by 1.30 cm by 3.00 cm?

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Answer 1 · 2017-05-09T23:34:29

I got: #m=30.61g#

The volume will be:

#V=2.50xx1.30xx3.00=9.75cm^3#

We know that:

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

so in your case:

#3.14=m/9.75#

rearranging:

#m=3.14*9.75=30.61g#