Mole Unit Test Prep

The mass of one mole of substance is called:

• molecular mass

• mole constant

• molar mass

• atomic weight

Tags

NGSS.HS-PS1-7

What is the molar mass of CO₂?

• 12.01 g/mol

• 16 g/mol

• 28.01 g/mol

• 44.01 g/mol

Tags

NGSS.HS-PS1-7

Molar mass is in units of:

• grams

• grams/mole

• mole

• moles/gram

What is the molar mass of AuCl₃?

• 196.97 g/mol

• 303.32 g/mol

• 232.42 g/mol

Which would have more atoms?

• 1 mole of Li
• 1 mole of Au
• 1 mole of Si
• None, all are equal

Tags

NGSS.MS-PS1-1

What is the mass in grams of 5.90 mol C₈H_18?

• 114.26 g

• 3.55 x 10²⁴ g

• 674.13 g

• 0.05 g

How many water molecules are in 5.2 moles of water?

• 6.02 x 10²³ molecules

• 93.70 molecules

• 3.13 x 10²⁴ molecules

• 8.64 x 10^-24 molecules

How many grams are in 1.2 x 10²⁴ molecules of CO?

• 3.36 x10²⁵ g

• 55.82 g

• 6.02 g

• 1.99 g

How many steps are in a gram to mole conversion?

• 1
• 2
• 3
• 4

How many moles are in 3.01 x 10²² atoms of magnesium?

• 0.05 mol

• 1.81 x 10⁴⁶ mol

• 1.22 x 10²¹ mol

• 1.21 mol