1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard X
Physics
Factors Affecting Boiling Point
ntQ.3n ntA wa...
Question
ntQ.3n ntA water sample contains 9.5% MgCl2and 11.7% NaCl (by weight). Assuming 80% ionisation of each salt. Boiling point of water will be approximately (Kb= 0.52)n
Open in App
Solution
Suggest Corrections
0
Similar questions
Q.
Sea water is found to contain 5.85% NaCl and 9.50%
M
g
C
l
2
by weight of solution. Calculate it's boiling point assuming 80% ionisation for NaCl and 50% ionisation of
M
g
C
l
2
(
K
b
(
H
2
O
)
= 0.51 kgm :
Q.
Sea water is found to contain 5.85 per NaCl and 9.50 per
M
g
C
l
2
by weight of solution. Calculate its normal boiling point assuming 80 per ionisation for NaCl and 50 per ionisation of
M
g
C
l
2
[
M
b
(
H
2
O
)
=
0.51
k
g
m
o
l
−
1
K
]
.
Q.
River water is found to contain
11.7
%
N
a
C
l
,
9.5
%
M
g
C
l
2
, and
8.4
%
.
N
a
H
C
O
3
by weight of solution. Calculate its normal boiling point assuming
90
%
ionization of
N
a
C
l
,
70
%
ionization of
M
g
C
l
2
and
50
%
ionization of
N
a
H
C
O
3
(
K
b
for water
=
0.52
K
m
o
l
−
1
kg).
Q.
Sea water is
3.5
% by mass of common salt and has a density
1.04
g
c
m
−
3
at
298
K
. Assuming the salt to be sodium chloride, then osmotic pressure of sea water will be: (assume complete ionisation of the salt)
Q.
A sample of industrial waste water is found to contain 8.2%
N
a
3
P
O
4
and 12%
M
g
S
O
4
by weight in solution. If % ionisation of
N
a
3
P
O
4
and
M
g
S
O
4
are 50% and 60% respectively, then its normal boiling point (in °C ) is (2 decimal places)
.
[use
K
b
(
H
2
O
)
= 0.50
K
k
g
m
o
1
−
1
]: