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Yuliya22 [10]
3 years ago
12

Which aqueous solution has the highest boiling point?

Chemistry
1 answer:
MissTica3 years ago
7 0

Answer:

All three solutions have the same boiling point.

Explanation:

Elevation in boiling point is a colligative property. A colligative property depends upon the number of solute molecules irrespective of nature or molecular weight etc.

As all the given solutes (in all the three solutions) are non ionic (will not dissociate into ions) so with same molality (moles per unit Kg) they will have same number of molecules. And thus all the three aqueous solutions will have same boiling point.

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How many grams of glucose are needed to prepare 400. g of a 2.00% (m/m) glucose solution g?
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The grams   of glucose  are  needed  to  prepare  400g  of  a 2.00%(m/m)  glucose  solution  g  is  calculated  as  below

=% m/m =mass  of the solute/mass  of  the  solution  x100

let mass of   solute  be represented  by  y
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 % (m/m) = 2% = 2/100

 grams  of  glucose  is  therefore =2/100 =  y/400
by cross  multiplication

100y = 800
divide   both side  by  100

y= 8.0 grams



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