What Is a Mole

The picture shown is exactly one mole of sulfur, S, what is one mole a measurement of?

• the mass of sulfur

• the volume of sulfur

• the number of particles of sulfur

Tags

NGSS.HS-PS1-7

What is a mole in chemistry?

• A unit of mass

• A unit of volume

• A unit of substance

• A unit of temperature

Which of the following represents Avogadro's number?

How many atoms are there in one mole of carbon?

• 12

• 6.022

• 6.022 x 10^23

• 1

What is the mass of one mole of water (H2O)?

• 18 grams

• 1 gram

• 36 grams

• 2 grams

Which of the following is a real-world application of the mole concept?

• Measuring temperature

• Calculating the amount of reactants in a chemical reaction

• Determining the speed of light

• Measuring electrical current

What is the molar mass of carbon dioxide (CO2)?

• 44 g/mol

• 32 g/mol

• 28 g/mol

• 16 g/mol

In an experiment, if you have 2 moles of hydrogen gas, how many molecules do you have?

What is the relationship between moles and molar mass?

• Moles = Mass / Molar Mass

• Moles = Molar Mass / Mass

• Moles = Mass x Molar Mass

• Moles = Mass + Molar Mass

Which of the following statements is true about a mole?

• A mole of any substance contains the same number of entities as a mole of any other substance

• A mole is always equal to 1 gram

• A mole is a unit of energy

• A mole is a unit of length