Mass/Mole Calculations

Which of the following would have more mass?

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

Which of the following would have the highest number of moles?

• 4g CO₂
• 15g H₂O
• 22g NaCl
• 100g AgCl

What is the molar mass of calcium hydroxide, Ca(OH)₂?

• 74.1 g/mole

• 57.1 g/mole

• 58.1 g/mole

• 57.1 u

What is the molar mass of AuCl₃?

• 96 g
• 130 g
• 232.5 g
• 303.3 g

What is the molar mass of Zn(C₂H₃O₂)₂?

• 392.8g/mol

• 142.9g/mol

• 361g/mol

• 183.5 g/mol

What is the total mass, in grams, of a 0.75 mole sample of SO₂?

• 16 g

• 24 g

• 32 g

• 48 g

Tags

NGSS.HS-PS1-7

Find the molar mass of calcium carbonate to the nearest gram.

• 100 g

• 68 g

• 84 g

• 112 g

Find the mass of 5 moles of water.

• 18.02 g

• 36.04 g

• 90.1 g

• 25.0g

What is the molar mass of barium nitrate?

• 336.67 grams/mol

• 199.34 grams/mol

• 183.34 grams/mol

• 261.35 grams/mol

What is the total mass in grams of 0.75 mole of SO₂?

• 16 g
• 24 g
• 32 g
• 48 g

Tags

NGSS.HS-PS1-7