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