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Grade: 12

                        

the boiling point of an aqueous solution of a non volatile solute is 100.15 0 C .what is the freezing point of an aqueous solution obtained by diluting the above solution with an equal volume of water? the values of K b and K f for water are 0.512 0 C and 1.86 0 C K molal -1

4 years ago

Answers : (3)

Vikas TU
12148 Points
							
For boiling point,
Tb = i * kb * M
100.15 + 273 = 1*0.512*M
from here calculate M.
After adding 500 ml water,
molarity becomes,
M x V = M’ x 2V
M’ = M/2
Then apply,
Tf = 1*kf*M’
4 years ago
ankit singh
550 Points
							
this the attcahment of the question that u want to know
ankit singh
manit bhopal
thope the answer is useful to u keep it up work hard to fullfill your drea
one month ago
ankit singh
550 Points
							
 
 
For boiling point,
Tb = i * kb * M
100.15 + 273 = 1*0.512*M
from here calculate M.
After adding 500 ml water,
molarity becomes,
M x V = M’ x 2V
M’ = M/2
Then apply,
Tf = 1*kf*M’
one month ago
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