How to solve numerical problems based only chemical equations ?

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The calculations based only chemical equations can be done as follows. Write down the given amount, mass or volume of the substances, and identify the substance whose amount, mass or volume is to be found out.

The calculations based only chemical equations can be done as follows:

(i) Write down the given amount, mass or volume of the substances, and identify the substance whose amount, mass or volume is to be found out.

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(ii) Write down the balanced chemical equation.

(iii) Write down the amount, mass or volume of the concerned reactant and product, as indicated by the balanced chemical equation.

(iv) Calculate the unknown quantity by applying the unitary method.

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