Mole Conversion Worksheet

How many moles of magnesium is 3.01 x 10^22 atoms of magnesium?

0.05 mol

How many molecules are there in 4.00 moles of glucose, C6H12O6?

2.49 x 10^24 mol

How many moles are 1.20 x 10^25 atoms of phosphorous?

19.969 moles or 20.0 moles

How many moles in 28 grams of CO2?

0.64 mol

What is the mass of 5 moles of Fe2O3?

798 g

Find the number of moles of argon in 452 g of argon

13.31 moles

Determine the volume, in liters, occupied by 0.030 moles of a gas at STP.

0.672 L

How many moles of argon atoms are present in 11.2 L of argon gas at STP?

0.500 mol

What is the volume of 0.05 mol of neon gas at STP?

1.12L Ne

What is the density of the following compounds at STP?

a. 1.25 g/L

b. 0.178 g/L

c. 1.42 g/L

What is molar mass?

The sum of the atomic weights of all the atoms in a molecule.

How would you convert from particles to grams, set up a basic skeleton.

By dividing the Avogadro's number to find the number of moles, and then multiply the number of moles by the molar mass of the substance.

What are the 7 diatomic elements? Write their formulas.

Hydrogen (H2)

Nitrogen (N2)

Oxygen (O2)

Fluorine (F2)

Chlorine (Cl2)

Bromine (Br2)

Iodine (I2)

How would you identify an acid? What are the expectations?

If the number of hydrogens has decreased after the reaction.

How would you identify a covalent compound? What do you need to name covalent compounds?

If a compound has both non-metals. By the elements contained in them

How would you identify an ionic compound? What are roman numericals used for?

If a compound is made from a metal and a non-metal. They are used for elements that can form more than one positive ion

Identify the following compounds as Ionic, Covalent, or an acid, and write the correct chemical formula or name:

a. Ionic, Na2S

b. Covalent, SO2

c. Ionic, ZnO

d. Acid, Phosphoric acid

e. Ionic, Iron(III) acid

f. Ionic, Calcium hydroxide

g. Acid, H2SO3

h. Ionic, HgCl2

i. Covalent, Dinitrogen pentoxide

j. Acid, Hydronitric acid