Quiz Molar Mass, Moles, Mass

The mass of one mole of substance is called...

• molecular mass
• mole constant
• molar mass
• atomic weight

What is the molar mass of table salt (NaCl)?

• 116.886 g/mol
• 35.453 g/mol
• 22.990 g/mol
• 58.443 g/mol

How many particles are in a mole?

• 602
• 602 million
• 602 moles
• 6.02 x 10²³

Molar mass is in units of ________.

• grams
• grams/mole
• mole
• moles/gram

Tags

NGSS.HS-PS1-7

What is the definition for Avogadro's number?

• 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

What is the numerical value of Avogadro's number?

• 60.22x10²³
• 6.022x10²³
• 6.022x10³²
• 6.022x10²⁴

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-7

Which of the following is needed to determine the molar mass of a molecule?

• Types of elements in the molecule

• Quantity of elements in the molecule

• Mass of the elements in the molecule

• All are correct and needed.

Calculate the molar mass of water (H₂O).

• 10 g/mol

• 17 g/mol

• 18 g/mol

• 34 g/mol

Where do you look to calculate the molar mass?

• avogadros number
• periodic table 

Tags

NGSS.HS-PS1-1

Which of these would you use to measure mass?

• a barometer
• a thermometer
• a balance scale
• a ruler

Tags

CCSS.8.EE.A.4