Saved Bookmarks
| 1. |
Which of the following terms are unitless?A. MolalityB. MolarityC. Mole fractionD. Mass per cent |
|
Answer» Both moel fraction and mass per cent are unitless as b oth are ratios of moles and mass respectively. Mole fraction `=("Nuumber of moles of solute")/("Number of moles of solution")=("moles")/("moles")` `=("Number of moles of solvent")/("Number of moles of Solution")=("moles")/("moles")` `"Mass per cent"=("Mass of soulte in gram")/("Mass of solution in gram")xx100` |
|