Chemistry

Minimum elevation in boiling point is given by a solution of
1. 0.1M Urea
2. 0.1 NaCL
3. 0.1 Mgcl2
4. 0.1M AL2(So4)3

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  1. delta T (increase in b.p.) = i*Kb*m
    All are the same m so that is a constant. kb is a constant. Threfore, it all depends upon i, the van't Hoff factor.
    i = 1 for urea
    i = 2 for NaCl
    i = 3 for MgCl2
    i = 5 for Al2(SO4)3.

    So which will cause the SMALLEST CHANGE?

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  2. . 0.1M Urea

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