Question

A sample of HgCl2 weighing 9.41 g is dissolved in 32.75 g of ethanol, C2H5OH (Kb = 1.20 °C/m). The boiling point elevation of the solution is 1.27 °C. Is HgCl2 an electrolyte in ethanol? Show your calculations.

          A sample of HgCl2 weighing 9.41 g is dissolved in 32.75 g of ethanol, C2H5OH (Kb = 1.20 °C/m). The boiling point elevation of the solution is 1.27 °C. Is HgCl2 an electrolyte in ethanol? Show your calculations.
        

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Chemistry: Structure and Properties
Chemistry: Structure and Properties
Nivaldo Tro 2nd Edition
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A sample of HgCl2 weighing 9.41 g is dissolved in 32.75 g of ethanol, C2H5OH (Kb = 1.20 °C/m). The boiling point elevation of the solution is 1.27 °C. Is HgCl2 an electrolyte in ethanol? Show your calculations.
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Transcript

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00:01 Here in this problem given a sample of hgcl2 weighing 9 .41 grams is dissolved in 32 .75 grams of ethanol.
00:10 Now the boiling point elevation of the solution given here 1 .27 degrees celsius.
00:17 Now we have to answer is hgcl2 and electrolyte in ethanol.
00:23 First we'll find out moles of hgcl2 and that will be the mass given here 9.
00:35 1 .41 grams divided by the molar mass of hgcl to 271 .496 grams per mole.
00:46 And we get 0 .03366 moles...
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