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Mole Practice 1

Last updated about 5 years ago
23 questions
Some mole practice quesitons!

Here are some reminders about moles

What is a mole?
A mole is a big number of things.

How big is a mole?
Very big.
6.02 X 1023 or about a trillion trillion.

How many atoms of carbon are in one mole of carbon?
6.02 X 1023 atoms of carbon

What is the mass of one mole of carbon atoms?
12.0111g
1

How many elephants are in one mole of elephants?

1

What is the mass of 1 mole of hydrogen ions (H+)?

1

One mole of the element lead contains how many atoms?

1

What is the mass of one mole of the element lead?

1

How many atoms of carbon are needed to make one molecule of CS2?

1

How many atoms of sulfur are needed to make one molecule of CS2?

1

The abbreviation mol means mole or moles. To make 1 mol of carbon disulfide (CS2) molecules requires how many moles of carbon atoms?

1

The abbreviation mol means mole or moles. To make 1 mol of carbon disulfide (CS2) molecules requires how many moles of sulfur atoms?

1

One mole of carbon tetrachloride (CCl4) requires how many moles of carbon atoms?

1

One mole of carbon tetrachloride (CCl4) requires how many moles of chlorine atoms?

STOP HERE ! OR CONTINUE AT YOUR OWN RISK.
1

What are the units for molar mass? (hint: mass/furry animal)

1

Since it requires 4 moles of Cl atoms and 1 mole of carbon atoms, what is the mass of one mole of carbon tetrachloride (CCl4)?

1

What is the molar mass of H2O?

1

36.04 grams of H2O represents how many moles?

1

9.01g of H2O represents how many moles?

1

What is the molar mass of glucose, C6H12O6 ?

1

What is the molar mass of oxygen gas? (hint: oxygen is diatomic)

1

Calculate the molar mass of benzene. Show your work.

1

Calculate the molar mass of ethanol. Show your work

1

Calculate the molar mass of calcium carbonate CaCO3 .

1

One serving of tums has 500mg calcium carbonate. How many moles of calcium carbonate is that?

1

Calculate the molar mass of caffeine. The chemical formula for caffeine is C₈H₁₀N₄O₂.

1

There is 80mg of caffeine in an 8.4oz can of red bull. How many moles of caffeine are in an 8.4oz can of red bull?