Mass-->Moles-->Molecules Review

What are the units of molar mass?

• grams

• mole

• grams per mole

• moles per grams

Tags

NGSS.HS-PS1-7

What is the molar mass of Sulfur Dioxide

SO₂

_{Hint: Use your periodic table}

• 56.05g/mol

• 96.14 g/mol

• 64.07 g/mol

• 32 g/mol

How many molecules of glucose (C₆H₁₂O₆) are in a mol?

• 180.18 molecules

• 24 molecules

• 180.18 g/mol

• 6.02x10²³ molecules

What is the correct setup for converting 6 moles of H₂ to molecules?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-7

Which of the following has the same number of atoms as 3 moles of Fluorine?

• 3 mol Li (Lithium)

• 3 mol He (Helium)

• 3 mol Cl (Chlorine)

• All the above

Billy is learning conversions and wants to know how much 2 moles of Helium weighs. What units would Billy end up with in this case?

• mol²/grams (moles² per gram)

• grams

• moles

• grams/mole (grams per mole)

Tags

NGSS.HS-PS1-7

Which setup to find molecules of O₂ from 96 grams?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-7

What units would I end up with?

• 362 miles/hour

• 362 kilometers

• 362 hours

• 362 kilometers/hour

Setup for 5 moles CO₂ to grams? Molar mass CO₂ =44.01 g/mol

• A

• B

• C

How many moles in 54 grams H₂O? Molar mass of H₂O= 18.02 g/mol

• A

• B

• C