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Avogadro number

Total questions: 8

Worksheet time: 5mins

Name
Class
Date
1.

Empirical formula

a)

is a physical property defined as the mass of a given substance

b)

Convert the given information into moles. Use stoichiometry for each individual reactant to find the mass of product produced

c)

chemistry, the empirical formula of a chemical compound is the simplest positive integer ratio of atoms present in a compound

d)

In chemistry, a hydrate is a substance that contains water or its constituent elements

2.

Molar mass

a)

Amounts of products calculated from the complete reaction of the limiting reagent is called theoretical yields

b)

is a physical property defined as the mass of a given substance

c)

formula giving the number of atoms of each of the elements present in one molecule of a specific compound.

d)

Convert the given information into moles. Use stoichiometry for each individual reactant to find the mass of product produced

3.

Mole

a)

Amounts of products calculated from the complete reaction of the limiting reagent is called theoretical yields

b)

In chemistry, a hydrate is a substance that contains water or its constituent elements

c)

is a physical property defined as the mass of a given substance

d)

is an SI unit which measures the number of particles in a specific substance

4.

Molecular mass

a)

number of units in one mole of any substance (defined as its molecular weight in grams), equal to 6.022140857 × 10 23

b)

Amounts of products calculated from the complete reaction of the limiting reagent is called theoretical yields

c)

formula giving the number of atoms of each of the elements present in one molecule of a specific compound.

d)

chemistry, the empirical formula of a chemical compound is the simplest positive integer ratio of atoms present in a compound

5.

Hydrate

a)

In chemistry, a hydrate is a substance that contains water or its constituent elements

b)

is a physical property defined as the mass of a given substance

c)

is an SI unit which measures the number of particles in a specific substance

d)

Amounts of products calculated from the complete reaction of the limiting reagent is called theoretical yields

6.

Actual yield

a)

formula giving the number of atoms of each of the elements present in one molecule of a specific compound.

b)

Convert the given information into moles. Use stoichiometry for each individual reactant to find the mass of product produced

c)

Amounts of products calculated from the complete reaction of the limiting reagent is called theoretical yields

d)

chemistry, the empirical formula of a chemical compound is the simplest positive integer ratio of atoms present in a compound

7.

Excess reactant

a)

Amounts of products calculated from the complete reaction of the limiting reagent is called theoretical yields

b)

formula giving the number of atoms of each of the elements present in one molecule of a specific compound.

c)

chemistry, the empirical formula of a chemical compound is the simplest positive integer ratio of atoms present in a compound

d)

Convert the given information into moles. Use stoichiometry for each individual reactant to find the mass of product produced

8.

Avogadro’s number

a)

number of units in one mole of any substance (defined as its molecular weight in grams), equal to 6.022140857 × 10 23

b)

formula giving the number of atoms of each of the elements present in one molecule of a specific compound.

c)

In chemistry, a hydrate is a substance that contains water or its constituent elements

d)

is an SI unit which measures the number of particles in a specific substance