Quiz: 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?

• .0512 g
• 19.4 g
• 673 g
• 389 g

Tags

NGSS.HS-PS1-7

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 grams are in 3.3 moles of potassium sulfide?

• 21.6 g
• 33 g
• 235 g
• 3.6x10² g

Tags

NGSS.HS-PS1-7

How many moles of Mg are in 19.82 g Mg?

• 1.226mol Mg

• 481.7mol Mg

• 1.000mol Mg

• 0.8156 mol Mg

Tags

NGSS.HS-PS1-7

What is the molar mass of Gold (III) chloride?

• 196.967 g
• 626.354 g
• 232.42 g
• 303.326 g

What is the molar mass of Cl₂?

• 17 g/mol

• 35.5 g/mo;

• 71.0 g/mol

• 89 g/mol

Calculate the molar mass of KOH.

• 28 g/mol

• 56 g/mol

• 84 g/mol

• 112 g/mol