Chemistry Math Problems
Ethanol or Water? A beaker of a clear liquid sits on your desk. The liquid has a volume of 180 mL and a mass of 142 g. This is a beaker of __________.
D= 0.0789g/mL Ethanol
Float or Sink? What is the density of a sample with a mass of 14.52g and a volume of 10.6 mL?
D= 1.37g/mL Sink
Copper or Gold? You have a metal bar with a mass of 50.0 g and a volume of 2.53 mL. This substance is __________.
D= 19.8g/mL Gold
Table salt or Sucrose? You have a white powder with a mass of 50.0 g and a volume of 23.1 mL. This powder is __________.
D= 2.16g/mL Table salt
An unknown solid has a mass of 837.21 g. The volume of the solid, determined by water displacement is 37.00 mL. Calculate the density
D= 22.63g/mL
Silicon has a mass of 12,0 gand a volume of a 5.17 cm^3. What is the density?
D=2.32g/cm³
Iron or Aluminum? You have a metal pellet. It has a mass of 80.0 g and a volume of 10.18 mL. This pellet is made of __________.
D=7.89g/mL Iron
A sample of aluminum has a volume of 8.21 mL. What is its mass
M= 22.2g
Aluminum has a volume of 20.0 mL and a density of 2.70 g/mL. What is its mass?
M= 54g
A sample of lead has a volume of 7.25 mL. What is its mass?
M= 82.22g
CO2 or H2? You have a sample of gas taking up 7.00 L. It has a mass of 5.60 g. This gas is __________.
D= 0.00008g/mL H2
A sample of lead has a mass of 25.3 g. What is its volume?
V= 2.23mL
What is the volume of a 7.30 g sample of aluminum with a density of 2.70 g/mL?
V= 3.07mL
A sample of aluminum has a mass of 19.3 g. What is its volume?
V= 7.15mL
Mercury has a mass of 22.0 g and a density of 13.6 g/cm^3. What is the volume?
V=1.62cm³