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Grade: 12
        
The sum of the mole fraction of A,B,C in an aqueous solution containing.0.2 moles of each A,B and C is
10 months ago

Answers : (3)

Naureen Nida
26 Points
							
given, nA = nB = nC  =  0.2
   mole fraction of A = nA÷nA+nB+nC =0.2÷0.2+0.2+0.2
                                = 0.2÷0.6=1/3
mole fraction of A =B=C= 1/3
10 months ago
Agrata Singh
208 Points
							
Sum of mole fraction of all constituent of a mixture is always 1. No matter how many constituents are given and no matter their individual no of moles, if sum of all mole fractions is asked it is always one.
 
10 months ago
Aastha Singh
askIITians Faculty
183 Points
							DEAR STUDENT,
MOLE FRACTION OF N NO. OF COMPOUNDS TOGETHER ALWAYS ADD UP TO 1
HERE moles of a,b and c = NA=NB=NC=0.2
MOLEFRACTIONS OF ALL THE THREE= 0.2/0.2+0.2+0.2= 1/3
SUM OF MOLE FRACTIONS OF ALL= 3(1/3)= 1

5 months ago
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