A Flask Is Charged with 0

question 21

Multiple Choice

A flask is charged with 0.124 mol of A and allowed to react to form B according to the reaction A(g) -B(g) . The following data are obtained for [A] as the reaction proceeds:
-How many moles of B are present at 10 s?

• A) 0.220
• B) 0.110
• C) 1.4 × 10^{- 3}
• D) 0.014
• E) 0.011

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