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: 30.0 40.0 Time (s) Moles of A 0.00 10.0 20.0 0.124 0.110 0.088 0.073 0.054 How many moles of B are present after 30s? O 2.4x 10-3 O 0.150 O 0.073 O 1.7 x 103 O 0.051

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
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Chapter18: Chemical Kinetics
Section: Chapter Questions
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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:
Time (s)
Moles of A
0.00
20.0
0.088
10.0
30.0
40.0
0.124
0.110
0.073 0.054
How many moles of B are present after 30s?
2.4 x 10-3
O 0.150
O 0.073
O 1,7x 103
O 0.051
Transcribed Image Text: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: Time (s) Moles of A 0.00 20.0 0.088 10.0 30.0 40.0 0.124 0.110 0.073 0.054 How many moles of B are present after 30s? 2.4 x 10-3 O 0.150 O 0.073 O 1,7x 103 O 0.051
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