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Mole fraction of water in 46% (w/w) aqueous solution of ethanol is
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a
0.33
b
0.25
c
0.66
d
0.75
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Correct option is D
WC2H5OH =46 g ; WH2O =54 g ; nC2H5OH =4646 =1 ; WH2O =5418 =3 ; Xwater=ni∑ ni=31+3=0.75 ;;Talk to our academic expert!
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Match the items of Column I with Column II.
| Column I (Concentrations term) | Column II (Factor on concentration term depends) | ||
| A. | Molarity | p. | Dependent upon temperature |
| B. | Molality | q. | Not depend upon volume |
| C. | Mass per cent | r. | Depend upon volume of solution |
| D. | Volume per cent | s. | Depend upon moles of solute |
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