Formulas
What is the formula for volume?
Length x Width x Height
L x W x H
What is the density of an object with a mass of 20g and volume of 5cm³
4 g/cm³
What is the volume of an object with a mass of 200 g and a density of 2g/cm³?
100 cm³
A glass coffee cup has a density of 2 g/mL and a volume of 5 mL. What is the mass of the coffee cup?
10 grams (g)
What is the object in the picture called? (slide 1)
Triple Beam Balance
What is the formula for density?
Mass ÷ Volume
M ÷ V
An object has a mass of 4 grams and a volume of 2 cm³. What is the density of the object?
2g/cm³
A block of wood has a mass of 360 grams and a density of 60 g/cm³. What is the volume of the block of wood?
6cm³
A glass plate has a density of 20 g/ cm3 and a volume of 10 cm3. What is the mass of the glass plate?
200 grams (g)
What unit do we measure volume in?
mL or cm³
What is the formula for finding Mass if we are given density and volume?
Density x Volume
D x V
A liquid has a volume of 125 mL. It has a mass of 235g. What is its density?
1.88 g/mL
What is the volume of a liquid that has a mass of 126g and a density of 1.25g/mL?
100.8 mL
A liquid has a density of 1g/mL. If you have 50mL of the liquid, what would its mass be?
50 g
What unit do we measure mass in?
Grams (g)
Given mass and density. What is the formula to find volume?
Mass ÷ Density
M ÷ D
A rock has a volume of 6 cm³ and a mass of 24g. What is the density of the rock?
4g/cm³
Find the volume of an object with a mass of 34g and a density of 2.5g/cm³
13.6 cm³
Find the mass of a liquid that has a volume of 168mL and a density of 1.45g/mL.
243.6 g
What unit do we measure density in?
g/mL
g/cm³
What three formulas are shown on our density triangle?
M ÷ V = D
M ÷ D = V
D x V = M
Substance B: 3.5 cm³ and 30.0 g
What is the density?
8.57g/cm³
Find the volume of an object with a density of 3.75 g/mL and a mass of 425 g.
113.33 mL
Find the mass of 250 mL of benzene. The density of benzene is 0.8765 g/mL.
219.125 g
What is the density of PURE water?
1g/mL