Don't make a mountain out of a MOLE hill
Whack-a-MOLE
MOLEarchy
The MOLE the Merrier
MOLEy Potter and the Constant of Avogadro
100

Determine the mass in grams of one mole of C12H22O11

342.3 g/mol

100

What is the molar mass of potassium nitrate?

101.11g/mol

100

How many grams of oxygen are in 5.00 g N2O5

3.70g.

100

What is the molar mass of NH4NO3?

80.06 g/mol

100

How many moles are in 25.0 grams of water?

1.39 moles

200

How many moles are in 6.40 g of HBr?

0.0791 mol

200

What is the molar mass of strontium phosphate?

452.80 g/mol

200

Calculate the mass percent of oxygen in CH3COOH.

53.28%

200

Convert 25mg of chromium (III) carbonate to moles.

8.8 x 10-5 mol

200

Number of molecules of carbon dioxide in 88.0 grams

1.20 x 1024

300

How many grams are in 3.27 moles of oxygen gas?

105g

300

How many liters in a mole of gas at STP?

22.4L

300

Determine the mass of potassium bromide required to make 250.0mL of 1.25M solution.

37.19 g

300

After 123 g of Na2CO3 ยท ? H2O are heated, 45.5 grams of the anhydrous salt remains. What is the chemical formula of the hydrate?

Na2CO3 * 10H2O

300

Number of atoms in 23.0 grams of sodium

6.02 x 1023 

400

How many grams are present in 0.015 moles of calcium oxalate?

1.92 g.

400

How many molecules are in  8.79 grams of carbon tetrachloride?

3.44 x 1022 molecules.

400

What volume of 0.75M AgNO3 can be made from 56.7 grams of solute?

0.445 L

400

Caffeine has the following percent composition: carbon 49.48%, hydrogen 5.19%, oxygen 16.48% and nitrogen 28.85%. Its molecular weight is 194.19 g/mol.  Solve the molecular formula.

C8H10O2N4

400

Molecules 16.5 g of sulfur hexafluoride

6.79 x 1022 molecules

500

What is the mass of exactly one half of a mole of Molybdenum (III) Hypochlorite?

125.145 g

500

What mass of sodium chloride must be added to 450mL of water to produce a 1.5M solution?

39 g NaCl

500

What volume in mL of sulfuric acid is in 1.1 x 10^24 molecules?  The density of sulfuric acid is 1.84g/mL.

97.41 mL

500

How many atoms of chlorine are in 2.75 grams of magnesium chloride?

3.48 x 1022 atoms.

500

How many molecules are in 0.219g  of carbon dioxide

3.00 x 1021 molecules

M
e
n
u