Chp1

Question 1

Is a measure of amount of solute in a given amount of solvent

Answer 1

Concentration of solution

Question 2

______ small amount of solutes in solvent .

_______large amounts of solute in solvent .

Answer 2

Dilute

Concentrated

Question 3

2 Formula of molarity ;

Answer 3

Mole of solute (mole)
________________________________
Volume of solution\solvent (L)

Mass of solute (g)
——————————
Molar Mass x volume of solvent (L)

Question 4

Unit of molarity :

Answer 4

Mol/L
Mol x L*-1
M

Question 5

2 formula of molality;

Answer 5

Mole of solute (mol)
——————————-
Mass of solvent (kg)

Mass of solute (g)
———————————
Molar mass x mass of solvent(kg)

Question 6

Anions with power -2 ;

Answer 6

Oxide 
Nitrate 
Nitrite 
Sulfate 
Sulfite 
Silicate 
Carbonate 
Chromate
Sulfide

Question 7

Strong acids :

Answer 7

HI hydro iodic acid
HBr hydro bromic acid 
HCL hydro chloric acid
HCLO3 chloric acid 
HNO3 nitric acid
H2SO4 sulfuric acid 
HCLO4 pet chloric acid

Question 8

How do you recognize string bases ?

Answer 8

With OH hydroxide

Question 9

Weak base :

Answer 9

NH3 amonia
C6H5NO2 aniline
CH3NH2 methyl amine

Question 10

Examples of ionic compounds are :

Answer 10

• All salts

- Strong bases (OH)

Question 11

Example of electrolyte polar molecular compound:

Answer 11

Strong acids
Weak acid
Weak base

Question 12

Strong base dissolving in water becomes:

Answer 12

Ionic compound

Question 13

Seperation of that occur when ionic compound dissolve in water :

Answer 13

Dissociation

Question 14

Ionic compound dissolves in water usually;

Answer 14

Salts

Strong bases

Question 15

Precipitation reaction is a type of :

Answer 15

Double displacement reaction

Question 16

When does a precipitation occur ?

Answer 16

When the attraction of ions is greater than the attraction of ion and surrounding water molecule.

Question 17

SO4*-2 soluble or insoluble?

Answer 17

Soluble expect those with (mercury-lead-calcium-strontium -barium)

Question 18

Pbcl2 is soluble in :

Answer 18

Hot water

Question 19

In precipitation reaction
(Aqueous state becomes _______)
(Solid state becomes ________)

Answer 19

• spectator ion

- net ionic equation

Question 20

Ions form by the action of water in which process ?

Answer 20

Ionization

Question 21

The extend to which a solute ionize in water depend on :

Answer 21

• strength of bond within molecules of solute (attraction btw ions)
• strength of attraction btw solute and solvent molecules

Question 22

The process of forming a solid by combining two ionic solution is called :

Answer 22

Precipitation

Question 23

AgNo3 and KCL

Will a precipitation occur?

Answer 23

Yesss

Question 24

KNO3 and Na2CO3

Will a precipitation occur?

Answer 24

No

Question 25

Na2So4 and Ba(NO3)2

Will a precipitation produce ,?

Answer 25

Yes

Question 26

Cu(No3)2 and K2CO3

Does precipitation form in this solution?

Answer 26

Yes

Question 27

When solutions of Ba(No3)2 and Fe2(So4)3 are mixed which precipitate forms ?

Answer 27

BaSo4

Question 28

( It is possible to have spectator ions present just in precipitation reaction )
TRUE OR FALE ?

Answer 28

FALSE

Question 29

(A net ionic equation includes only those compounds and ions that undergo a chemical change in a reaction in an aqueous solution)
TRUE OR FALSE ?

Answer 29

TRUE

Question 30

(It is possible to have spectator ions present in many chemical systems)
TRUE OR FALSE ?

Answer 30

True

Question 31

( Molecular compound contain Either polar covalent or non polar covalent bonds )
TRUE OR FALSE ?

Answer 31

True

Question 32

When an ionic compound dissolves in water does the compound ionizes ?

Answer 32

No, it dissociates

Question 33

(H3O is a hydrated proton)

T or F?

Answer 33

T