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Casandara
Questions and answers by visitors named
Casandara
Questions (1)
Calculate the mole fraction of the solute in the following aqueous solutions
3.25% ethanol, by volume (d= 0.993 g/ml ; pure
4 answers
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Answers (4)
thnks i got it ...
for 2nd question answer is . (a)--ehtylene glycol .. just did my mastering chemistry assignmnet stuck on crystals one .. if u can help me out .. plz.. for the 1st question solubility =3.41×10−5 g/l
ya i guess so ..can u do me favour plz ... can u plz explain ur answer in detail i didn't either get it .. coz i copy paste from some other website.. plz can u explain me how to do this question .. sine i need to learn , in order to be able to rite my quiz
Formula : ĢTf = Kf * m Where ĢTf = Depression in the freezing point m = molality Kf = molal depression constant For water it is 1.86 0C/ m ĢTf = Tpure - Tsolution = 0 0C - ( --23.30C) = 23.30C m = no.of moles / mass of solvent = mass in g of
