Chemical Quantities

What is the molar mass of carbon (C)?

• 12.011 g/mol

• 1.008 g/mol

• 16.0 g/mol

• 63.546 g/mol

What is the molar mass of water (H₂O)?

• 18.0 g/mol

• 2.0 g/mol

• 34.0 g/mol

• 16.0 g/mol

What is the molar mass of table salt (NaCl)?

• 116.886 g/mol

• 35.453 g/mol

• 22.990 g/mol

• 58.443 g/mol

The molar mass of a substance can be found by...

• adding up the masses listed on the periodic table

• dividing by Avogadro's number

• multiplying by 22.4

• multiplying by Avogadro's number

What is the molar mass of nitrogen dioxide (NO₂)?

• 14.0 g/mol

• 16.0 g/mol

• 46.0 g/mol

• 102.0 g/mol

What is the mass, in grams, of 9.45 mol aluminum oxide (Al₂O₃)?

• 54.0 g

• 92.2 g

• 111.6 g

• 159.6 g

Tags

NGSS.HS-PS1-7

How many moles of iron(III) oxide are contained in 92.2 g of pure Fe₂O₃?

• 0.578 mol

• 0.880 mol

• 1.00 x 10³ mol

• 2.50 mol

Tags

NGSS.HS-PS1-7

What is the volume, in liters, of 0.60 mol sulfur dioxide (SO₂) gas at STP?

• 0.18 L

• 13 L

• 22.4 L

• 44.82 L

How many loaves of bread could you make if you have exactly 0.6 mol of salt (NaCl)?

• 1 loaf

• 2 loaves

• 3 loaves

• 4 loaves

What is the molar volume of a gas at STP?

• 0.18 L/mol

• 13 L/mol

• 22.4 L/mol

• 44.82 L/mol