## Chemistry (12th Edition)

Published by Prentice Hall

# Chapter 18 - Reaction Rates and Equilibrium - 18 Assessment - Page 639: 90

#### Answer

(Ignore the dollar signs) $K_{c}$ = $\frac{SO3^{2}}{SO2^{2} O2}$

#### Work Step by Step

Determine the equilibrium constant expression. Concentrations of products go in the numerator and concentration of reactants go in the denominator. Each concentration is raised to the power of its corresponding stoichiometric coefficient from the chemical equation.

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