Question

how to calculate mass used

Answer 1

Density is the mass per unit of volume of a substance. The density equation is:

Density = MassVolume

To solve the equation for Mass, rearrange the equation by multiplying both sides times Volume in order to isolate Mass, then plug in your known values (Density and Volume). Then solve for Mass.

Mass = Density x Volume

Example

The density of copper is 8.933 g/cm3. What is the mass of a sample of copper with a volume of 10.00 cm3?

MassCu = 8.933g1cm3 x 10.00 cm3 = 89.33 g

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