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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Whelan Whelan
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9 years ago
Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the equation:

PCl5(g) Leftwards Arrow Rightwards Arrow PCl3(g) + Cl2(g)

At 250° 0.250 M PCl5 is added to the flask. If Kc = 1.80, what are the equilibrium concentrations of each gas?
A) [PCl5] = 0.0280 M, [PCl3] = 0.222 M, and [Cl2] = 0.222 M
B) [PCl5] = 0.125 M, [PCl3] = 0.474 M, and [Cl2] = 0.474 M
C) [PCl5] = 1.80 M, [PCl3] = 1.80 M, and [Cl2] = 1.80 M
D) [PCl5] = 2.27 M, [PCl3] = 2.02 M, and [Cl2] = 2.02 M
Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
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hbutler2hbutler2
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9 years ago
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