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The following sample questions do not appear on an actual CLEP examination. They are intended to give potential test-takers an indication of the format and difficulty level of the examination and provide content for practice and review. For more sample questions and information about the test, see the CLEP Official Study Guide.

Question 6 of 7

Note: For all questions involving solutions and/or chemical equations, assume that the system is in pure water and at room temperature unless otherwise stated.

Chemical equation

The reaction mixture represented above is at equilibrium at 298 K. The value of the equilibrium constant for the reaction is 16 at 298 K. If R(g), X(g) and Z(g) each have an equilibrium concentration of 2.0 M, what is the equilibrium concentration of T(g)?

  • A.


  • B.


  • C.


  • D.


  • E.


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