February 27, 2017

Homework Help: AP CHEMISTRY

Posted by HELP PLEASE on Thursday, February 16, 2012 at 1:47pm.

A) At 800 K the equilibrium constant for I2(g) <=> 2 I(g) is Kc = 3.1 10-5. If an equilibrium mixture in a 10.0-L vessel contains 3.44*10-2 g of I(g), how many grams of I2 are in the mixture? answer is .060g

B)For 2 SO2(g) + O2(g)<=> 2 SO3(g), Kp = 3.0*104 at 700 K. In a 2.00-L vessel the equilibrium mixture contains 1.03 g of SO3 and 0.170 g of O2. How many grams of SO2 are in the vessel?

I don't know how to do B

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