MOLAR MASS AND MOLES

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

How many moles are present in 32.3 grams of carbon dioxide (CO₂)?

• 44.01 moles
• 1421.52 moles
• 32.3 moles
• 0.73 moles

Tags

NGSS.HS-PS1-7

What is the mass in grams of 5.90 mol C₈H_18?

• 0.0512 g

• 19.4 g

• 673 g

• 389 g

What is the mass of 2.50 mol of oxygen gas O₂?

• 40 g
• 80 g
• 16 g
• 32 g

Tags

NGSS.MS-PS1-1

How many moles are in 15 g of lithium?

• 104 mol

• 2.2 mol

• 0.46

How many grams are in 2.4 mol of sulfur?

• 0.075g

• 77g

• 6.2 g

How many moles are in 22 g of argon?

• 0.55 mol

• 1.8 mol

• 8.8 x 10² mol

How many grams are in 11.9 mol of chromium?

• 0.229 g

• 4.37 g

• 618 g

• 619 g

What is the molar mass of Mn₂Se₇?

• 542.50 g/mol
• 601.34 g/mol
• 662.60 g/mol