Calculating Density - Worked Example Problem

Ascertaining Density Problem Thickness is a proportion of how much issue is in a space. It is communicated in units of mass per volume, for example, g/cm3 or kg/L. This is a worked case of how to compute the thickness when given the volume and mass of a substance. Test Density Problem A block of salt estimating 10.0 cm x 10.0 cm x 2.0 cm weighs 433 grams. What is its density?Solution:Density is the measure of mass per unit volume, or:D M/VDensity Mass/VolumeStep 1: Calculate VolumeIn this model, you are given the components of the item, so you need to compute the volume. The equation for volume relies upon the state of the article, yet its a basic figuring for a case: Volume length x width x thicknessVolume 10.0 cm x 10.0 cm x 2.0 cmVolume 200.0 cm3Step 2: Determine Density Presently you have the mass and the volume, which is all the data you have to ascertain density.Density Mass/VolumeDensity 433 g/200.0 cm3Density 2.165 g/cm3Answer:The thickness of the salt block is 2.165 g/cm3. A Note About Significant Figures In this model, the length and mass estimations all had 3 critical figures. Along these lines, the response for thickness ought to likewise be accounted for utilizing this number of noteworthy figures. Youll need to conclude whether to shorten the incentive to peruse 2.16 or whether to gather it together to 2.17.