Module 5 Part I Review

What is a mole?

• 6.022 x 10²³ particles of any substance

• A small burrowing animal

• A dark spot on your skin

• A spy

In chemistry, a "mole" is:

• The mass of an atom
• a large number used to count particles
• based on the volume of a substance

The number 6.02 x 10²³ is called...

• Avocado's number

• Bohr's number

• Schrodinger's number

• Avogadro's number

The molar mass of an element is the mass of one ____ of the element.

• atom
• molecule
• mole
• gram

Tags

NGSS.MS-PS1-5

Where do you look to calculate the molar mass?

• avogadros number
• periodic table 

Tags

NGSS.HS-PS1-1

Convert 43.0 grams of Ge to moles

• 0.60 moles

• 1.50 moles

• 2.10 moles

• 0.100 moles

Convert 4.68 moles of Mo to grams

• 335 g

• 449 g

• 269 g

• 157 g

Convert 0.800 moles of Co to atoms

• 6.022x10²³ atoms

• 7.53x10²³ atoms

• 4.82x10²³ atoms

• 1.33x10²² atoms

Convert 166.3 grams of Ar to atoms.

• 6.022x10²³ atoms

• 6.97x10²² atoms

• 1.43x10²³ atoms

• 2.53x10²⁴ atoms

Convert 9.41 x 10²⁴ atoms of Se to grams

• 1230 g

• 821g

• 941 g

• 432 g