Calculating Molar Mass and Molar Volume

What is the definition of molar mass?

• number of grams per one mole of a substance
• whole number ratio that is a multiple of a chemical formula
• simplest, whole number ratio of a chemical formula
• 6.02 x 10^23 particles per one mole of a substance

Tags

NGSS.HS-PS1-7

What volume does a gas occupy at standard temperature and pressure?

• 24dm³

• 24000dm³

• 24cm³

• 2.4cm³

What is the molar gas equation?

• molar volume = volume x moles

• molar volume = mass x moles

• volume = molar volume x moles

• moles = molar volume x volume

what is the volume of 1 mole of a gas?

• 24dm³

• 48dm³

• 24000cm³

• 48000cm³

what is the volume of 2 mole of a gas?

• 24dm³

• 48dm³

• 24000cm³

• 48000cm³

what is the volume of 0.5 mole of a gas?

• 24dm³

• 12dm³

• 24000cm³

• 12000cm³

Mass is the Mr of oxygen?

• 8

• 16

• 32

• 64

What is the mass of 24dm³ of hydrogen?

• 1g

• 2g

• 3g

• 4g

What is the mass of 48dm³ of hydrogen?

• 1g

• 2g

• 3g

• 4g

What is the mass of 12dm³ of hydrogen?

• 1g

• 2g

• 3g

• 4g