Calculating Density, Mass, and Volume Flashcards

Density Calculations

• Density is the mass of a substance divided by its volume.
• Formula: Density = Mass / Volume.

Examples of Density Calculations

• A 2.75 g sample in 250.0 mL yields a density of 0.011 g/mL.
• The density of silver (Ag) is 10.5 g/mL; for a volume of 965 mL, mass equals 10,132 g.
• Carbon tetrachloride (density of 1.60 g/mL) has a volume of 22 mL for 35.2 g of mass.
• Ethanol has a density of 0.789 g/mL; a volume of 150.0 mL corresponds to a mass of 118.35 g.
• A gold sample occupies 9.5 mL with a mass of 71.9 g, resulting in a density of 7.57 g/mL.
• A ring with a mass of 4.53 g and volume of 0.212 cm³ has a density of 21.4 g/cm³.

Definitions and Concepts

• Volume refers to the amount of space an object occupies.
• Mass is the quantity of matter in an object.
• The volume of a solid can be calculated as Length x Width x Height.

Important Formulas

• Volume can be derived using the formula: Volume = Mass / Density.
• Mass can be calculated with the formula: Mass = Volume x Density.