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A reaction of $A \longrightarrow B$ in a closed vessel at constant temperature is monitored for 60 seconds. The results are recorded in the data table below.

How much of each substance is present at 60 seconds?

A (mol) B (mol) Time (sec)
2.00 0 0
1.08 0.92 20
0.60 1.40 40
A

A = 0.33 mol, B = 1.67 mol

B

A = 0.42 mol, B = 1.53 mol

C

A = 0.20 mol, B = 1.80 mol

D

A = 0.10 mol, B = 1.90 mol

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