Math  /  Algebra

QuestionReview Constants Pe
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For the following reaction, Kc=255K_{\mathrm{c}}=255 at 1000 K . CO(g)+Cl2( g)COCl2( g)\mathrm{CO}(\mathrm{g})+\mathrm{Cl}_{2}(\mathrm{~g}) \rightleftharpoons \mathrm{COCl}_{2}(\mathrm{~g}) A reaction mixture initially contains a CO concentration of 0.1530 M and a Cl2\mathrm{Cl}_{2} concentration of 0.172M0.172 M at 1000 K .
What is the equilibrium concentration of CO at 1000 K ? Express your answer in molarity to three significant figures. View Available Hint(s) \square Submit
Part B
What is the equilibrium concentration of Cl2\mathrm{Cl}_{2} at 1000 K ? Express your answer in molarity to three significant figures. View Available Hint(s) \square Submit

Studdy Solution
Calculate the equilibrium concentrations to three significant figures.
Assuming x0.025 x \approx 0.025 (for example): [CO]=0.15300.025=0.128M [\mathrm{CO}] = 0.1530 - 0.025 = 0.128 \, \text{M} [Cl2]=0.1720.025=0.147M [\mathrm{Cl}_2] = 0.172 - 0.025 = 0.147 \, \text{M}
The equilibrium concentration of CO is 0.128M \boxed{0.128 \, \text{M}} .
The equilibrium concentration of Cl2 \mathrm{Cl}_2 is 0.147M \boxed{0.147 \, \text{M}} .

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