Honors Mole Part 2 Review

Molar mass is in units of ________.

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

Tags

NGSS.HS-PS1-7

What is the molar mass of AuCl₃?

• 96 g
• 130 g
• 232.5 g
• 303.3 g

Tags

NGSS.MS-PS1-1

What is the mass in grams of 5.90 mol C₈H_18?

• .0512 g
• 19.4 g
• 673 g
• 389 g

Tags

NGSS.HS-PS1-7

How many water molecules are in 5.2 moles of water?

• 6.02 x 10²³
• 5.2
• 3.1304 x 10²⁴
• 8.638 x 10^-24

Tags

NGSS.MS-PS1-1

Which conversion factor should be used to solve the following, "Find the mass in grams of 2.00 x 10²³ molecules of F₂."

• 1-Step Mole Conversion

• 2-Step Mole Conversion

1 mole of Ca and 1 mole of Na have the same number of atoms.

• True

• False

1 mole is equivalent to 6.02 x 10²³

• False

• True

The total number of sodium atoms in 46.0 grams is

• 3.01 x 10²³
• 6.02 x 10²³
• 12 x 10²³
• 24 x 10²³

The total number of molecules in 34.0 grams of NH₃ is equal to 

• 1.00 x 22.4
• 2.00 x 22.4
• 1.00 (6.02 x 10²³)
• 2.00 (6.02 x 10²³)

What is the percent by mass of Cu in CuBr₂?

• 50%

• 71.6%

• 28.4%

• 44.3%