That depends on the substance being studied. "Given unit volume" means 1 liter, for instance, or one cubic centimeter - the specific volume being discussed. Once cubic cm of water would have less matter (is lighter) than one cubic cm of lead (is heavier.) Think about it this way - the more tightly packed a substance is, the more matter there is in one cubic cm of that substance. This is called the substance's DENSITY. If this is a hw problem you're trying to solve, you multiply the volume of substance by that substance's density (which you should find in a table or whatever.) Mind your units!
The amount of matter is mass. Volume is the amount of space that matter takes up. The amount of matter in a given volume is density.
density is mass/volume
The amount of matter in a given volume of space is its D-E-N-S-I-T-Y Its Density NOT Volume!
the amount of matter in a given space; mass per unit volume
This is the density. It is given the symbol ρ, the Greek letter rho. It is defined as mass per unit volume
Density is the mass in a given unit of volume, meter cubed.
Volume (v) of an object is given by mass of an object (m)/ density (D). Common unit of measuring volume is meter3. Formula to find volume can be derived from the equation of density which is D = m/v.
density is the measure that describes the relationship between mass and volume
you should know, gee just look it up in the dictionary!
Density is mass per unit of volume.
is a measure of the amount of matter in a given amount of space
Ye.. the concentration of a substance is measured as the amount of substance per unit volume. Accordingly, the amount of a substance in per unit volume is the concentration of the substance.