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Mole Practice 1

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Last updated over 5 years ago
23 questions
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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
Question 1
1.

How many elephants are in one mole of elephants?

Question 2
2.

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

Question 3
3.

One mole of the element lead contains how many atoms?

Question 4
4.

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

Question 5
5.

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

Question 6
6.

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

Question 7
7.

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

Question 8
8.

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

Question 9
9.

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

Question 10
10.

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

STOP HERE ! OR CONTINUE AT YOUR OWN RISK.
Question 11
11.

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

Question 12
12.

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)?

Question 13
13.

What is the molar mass of H2O?

Question 14
14.

36.04 grams of H2O represents how many moles?

Question 15
15.

9.01g of H2O represents how many moles?

Question 16
16.

What is the molar mass of glucose, C6H12O6 ?

Question 17
17.

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

Question 18
18.

Calculate the molar mass of benzene. Show your work.

Question 19
19.

Calculate the molar mass of ethanol. Show your work

Question 20
20.

Calculate the molar mass of calcium carbonate CaCO3 .

Question 21
21.

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

Question 22
22.

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

Question 23
23.

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?