1.

The molecular mass of a solute cannot be calculated by which of the following?

Answer»

`M_(B) =(W_(B)xxRT)/(PIV)`
`M_(B) =(p^(@)W_(B) M_(A))/((p^(@) -p) W_(A))`
`M_(B) =(Delta T_(b) W_(B) XX 1000)/(K_(b) W_(A))`
`M _(B) =(K_(b) W_(B) xx1000)/(Delta T_(b) xxW_(A))`

Solution :`M_(B) =(Delta T _(b) xx W_(B)xx1000)/(K _(b) xx W_(A))` is WRONG. The correct from is `M _(B) =(K_(b)xx W_(B)xx 1000)/(Delta T_(b) xx W_(A))`


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