The density of an object or substance is its mass divided by its volume: Density = Mass ÷ Volume. The units of density depend on the units used for mass and volume, but are usually: g/cm³ (if mass is ...
Click to see a step-by-step slideshow. STEP 2: Write out the problem, circle the key pieces of information and draw a bar. Label the whole bar 38 g. Draw a second bar directly underneath the first and ...