Chemistry Math Problems

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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


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