Question

1.250g of naphthalene was dissolved
in 60cm2 of benzene and freezing
point of the solution was found to
be 277.515k, while that of benzene
278.495k. Density of benzene = 0.889
cm-3
kf = 5.1k per 1000g of benzene.
calculate the molecular mass of naphthalene. ​

Answer 1

Answer:

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