Gaseous Hydrogen and Iodine Can Be Used to Prepare HI

question 78

Multiple Choice

Gaseous hydrogen and iodine can be used to prepare HI in the following balanced chemical reaction. Calculate a value for the reaction quotient when [H₂]  [I₂]  4.67 10^-3 M and [HI]  4.07  10^-2 M. H₂(g)  I₂(g) 2HI(g)

• A)1.32  10 ^{ 2}
• B)1.87  10³
• C)76.0
• D)5.36  10 ^{ 4}
• E)1.77  10 ^{ 1}

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