Answer to Question #81786 in Chemistry for Isobel-ann

Question #81786

1 mol of hydrogen gas and 1 mol of iodine vapour were mixed and allowed to react.
After t seconds, 0.8 mol of hydrogen remained.
The number of moles of hydrogen iodide formed after t seconds was;
A 0.2
B 0.4
C 0.8
D 1.6

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