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In a reaction:

A + B2 → AB2

Identify the limiting reagent, if any, in the following reaction mixtures.

(i) 300 atoms of A + 200 molecules of B
(ii) 2 mol A + 3 mol B
(iii) 100 atoms of A + 100 molecules of B
(iv) 5 mol A + 2.5 mol B
(v) 2.5 mol A + 5 mol B

Chemistry - Main Course Book I

Chapter 1. Some Basic Conpepts of Chemistry



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Iii)    100 atoms of A  and  then 100 molecules of B... as one molecule of B has two atoms in it...

1 5 1
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