Van't hoff factors in aqueous solution
solute i measured
nonelectrolyte 1
nacl 1.9
mgso4 1.3
mgcl2 2.7
k2so4 2.6
fecl3 3.4
given the previous table measures, calculate each colligative property.
a. the freezing point of a 0.050-m iron(iii) chloride solution.
b. the osmotic pressure of a 0.076-m magnesium sulfate solution at 300.15 k.

In a laboratory determination of the atomic weight of tin, a sample of tin is weighed in a crucible. nitric acid is added, and the reaction proceeds to give a hydrated tin(iv)oxide plus no2and h2o. the hydrated tin(iv)oxide is then heated strongly and reacts as follows: sno2.xh2o(s)sno2(s)+ xh2o(g)the sno2is finally cooled and weighed in the crucible. explain the effect on the calculated atomic weight of tin that would result from each of the following experimental errors: (a)considerable spattering occurs when the nitric acid is added to the tin.(b)the hydrated tin(iv)oxide is not heated sufficiently to change it completely to tin oxide.