1.1 - Formulae, Equations and Amounts Of Substances

Question 1

Sulfate

Answer 1

SO4

2-

Question 2

Sulfite

Answer 2

SO3

2-

Question 3

Thiosulfate

Answer 3

S2O3

2-

Question 4

Hydrogensulfate

Answer 4

HSO4

-1

Question 5

Hydrogencarbonate

Answer 5

HCO3

-1

Question 6

Carbonate

Answer 6

CO3

2-

Question 7

Nitrate

Answer 7

NO3

-1

Question 8

Nitrite

Answer 8

NO2

-1

Question 9

Phosphate

Answer 9

PO4

3-

Question 10

Chlorate

Answer 10

ClO3

-1

Question 11

Hypochlorite

Answer 11

ClO

-1

Question 12

Hydroxide

Answer 12

OH

-1

Question 13

Dichromate

Answer 13

Cr2O7

2-

Question 14

Chromate

Answer 14

CrO4

2-

Question 15

Permanganate

Answer 15

MnO4

-1

Question 16

Ammonium

Answer 16

NH4

+1

Question 17

Avagrado’s constant definition

Answer 17

Number of atoms (6.02x10^23) in 12.000 grams of carbon-12

Question 18

What is a mole?

Answer 18

The amount of substance which contains the Avagrado number of atoms, molecules or groups of ions.

Question 19

What is molar mass?

Answer 19

The mass of one mole of a substance

Question 20

What is an anhydrous salt?

Answer 20

A salt which contains no water of crystallisation

Question 21

What is a hydrated salt?

Answer 21

A salt which contains water of crystallisation.

Question 22

What is water of crystallisation?

Answer 22

Water chemically bonded within a crystal structure

Question 23

Molecular Ion Definition

Answer 23

Two or more atoms covalently bonded with an overall charge.