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Problem 77

Lead can be prepared from galena [lead(II) sulfid…

06:08
University of Toronto
Problem 76

Solid iodine trichloride is prepared in two steps: first, a reaction between solid iodine and gaseous chlorine to form solid iodine monochloride; then, treatment with more chlorine.
(a) Write a balanced equation for each step.
(b) Write a balanced equation for the overall reaction.
(c) How many grams of iodine are needed to prepare 2.45 $\mathrm{kg}$ of
final product?

Answer

a)
$\mathrm{I}_{2}(\mathrm{s})+\mathrm{Cl}_{2}(\mathrm{g}) \longrightarrow 2 \mathrm{ICl}(\mathrm{s})$
$\mathrm{ICl}(\mathrm{s})+\mathrm{Cl}_{2}(\mathrm{g}) \longrightarrow \mathrm{ICl}_{3}(\mathrm{s})$
b)
$\mathrm{I}_{2}(\mathrm{s})+3 \mathrm{Cl}_{2}(\mathrm{g}) \longrightarrow 2 \mathrm{ICl}_{3}$
c)
$\mathrm{m}\left(\mathrm{I}_{2}\right)=5,25 \mathrm{mol}^{*} 253,8 \mathrm{g} / \mathrm{mol}=1332,45 \mathrm{g}$


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Video Transcript

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