Mole Concepts:

Mole and Moles Analysis rule:

Ratio of Moles of reactant or product with its coefficient
is always constant for a balance chemical equation:

**ILLUSTRATIVE EXAMPLE (1):**

**ILLUSTRATIVE EXAMPLE (2):**

**ILLUSTRATIVE EXAMPLE (3):**

**ILLUSTRATIVE EXAMPLE (4):**367.5 gm

**KClO**

_{3}(122.5) when heated then calculate.

(1) How many gram of O

_{2}is produced?
(2)How Many litre of O

_{2}is produced at STP?**SOLUTION:**

**ILLUSTRATIVE EXAMPLE (5):**how many moles O

_{2}are required to needed produced 5 moles of Fe

_{2}O

_{3}.

**SOLUTION:**

**ILLUSTRATIVE EXAMPLE (6):**how many grams of Fe

_{2}O

_{3}formed by heating of 18 gm FeO with O

_{2}.

**SOLUTION:**

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