Mole fractions of A and B in a mixture in which 6.023×1023 molecules of A and 10.4×1023 molecules of B are present.
0.37, 0.63
To find mole fraction, we need number of moles.
NA = Number of moles of A = 6.023×10236.023×1923=1
NB = Number of moles of B = 10.4×10236.023×1023=1.73
XA=NANA+NR=12.73=0.37
XB=NBNA+NR=1.732.73=0.63