25.18 CHAPTER 25. EXERCISE SOLUTIONS
Reactions in aqueous
solutions
ESAJG
End of chapter exercises ESAJH
(1) (a)condensation
(b)ion
(c) hardness
(d)sulphur trioxide
(2) (a)B
(b)H
(c) E
(d)A(e)C
(f)B
(g)I(5) (a)molecular
(b)ionic
(c)molecular
(d)molecular(e)ionic
(f)ionic
(6) (a)X: carbonate, Y:
sulphate, Z: chlo-
ride
(b)CO^23 − + Ba2+ +
Cl− → BaCO 3 +
Cl−Quantitative aspects of
chemical change
ESAJI
End of chapter exercises ESAJJ
(1) (a)molar
mass
(b)
Avogadro’s
number
(2)D
(3)A
(4)A
(5)C
(6) (a) 0 , 31(b) 0 , 09
(c) 0 , 04
(d) 5 , 06
(7) (a) 11 , 2
(b) 21 , 62
(c) 20 , 8
(d) 6 , 72
(e) 145 , 66
(8) (a)Cl: 31 , 49
C: 64 , 02H: 4 , 48
(b)Li: 29 , 17
O: 66 , 67
H: 4 , 17
(9)CF 2 Cl 2
(10)NO 2
(11)I 4 O 9
(12) (a)C 2 H 4 F
(b)C 4 H 8 F 2
(13) 5(14) (b) 0 , 03
(c)yes
(15) (a) 4
(b)incorrect
(c) 0 , 1 mols
(16) (a) 196 , 14
(b) 292 , 32
(c) 94 , 1
(17) 11 , 098492 Chemistry: Chemical systems