Solving for Density
What is the formula for density?
mass / volume
what is the formula for mass?
volume x density
what is the formula for volume?
mass / density
T/F : Density is a chemical property
False
Is density intensive or extensive?
Intensive
What is the density of tungsten in grams per cubic centimeter if a 5.00 g sample has a volume of 1.25 cm3?
4 g/cm3
What is the mass of stainless steel in grams of a 0.611 cm3 sample if its density is 7.48 g/cm3?
4.57 g
What is the volume of copper of a 19.37 g sample if its density is 9.82 g/mL?
1.97 mL
If the mass of a substance is increased, what happens to the density?
Increases
You put an object in a bucket of water. It sinks to the bottom. You take it out, and cut it in half. Then you put one piece in the bucket. What happens?
it still sinks
What is the density of bismuth in grams per cubic centimeter if a 3.27 g sample has a volume of 0.33 mL?
9.9 g/mL
What is the mass of gasoline in grams of a 5.180 mL sample if its density is 0.6700 g/mL?
3.471 g
What is the volume of iron in cubic centimeters of a 2.53 g sample if its density is 7.87 g/cm3?
0.321 cm3
A 48 gram metal bar was placed in water. The initial water level was 80 ml. The final volume was 86 ml. What is the volume of the bar and its density?
Volume of bar- 6 mL
Density -8.0 g/mL
If a rock with a density of 20.00 g/cm3 is broken into two equal pieces, what is the density of each piece?
20.00 g/cm3
A 2.00 g piece of metal is submerged in a graduated cylinder initially containing 20.0 mL of water. With the metal in the cylinder, the level of the water is recorded as 25.0 mL.
0.400 g/mL
What is the mass of mercury in grams of a 0.555 mL sample if its density is 11.5 g/mL?
6.38 g
What is the volume of white metal in cubic centimeters of a 4.855 g sample if its density is 7.050 g/mL?
0.6887 mL
Two liquids, A and B, have densities 0.75 g/mL and 1.14 g/mL.
When both liquids are poured into a container, one liquid floats on top of the other. Which liquid is on top?
A is on top
B is on the bottom
If I increase the temperature of a substance, does the density increase or decrease?
decrease
What is the density of a cube of aluminum that is 2.0 cm on each edge and has a mass of 25.0 g.
3.1 g/cm3
What is the mass of a 350 cm3 sample of pure silicon with a density of 2.336 g/cm3?
820 g
What is the volume of a 700 g sample of zinc with a density of 7.14 g/mL?
100 mL
A cube of metal has a mass of 111 grams and a length of 3.44 cm. Determine the density of the metal cube.
2.73 g/cm3
If a rock with a density of 5.0 g/cm3 is broken into five equal pieces, what is the density of each piece?
5.0 g/cm3