The word stoichiometry has been derived from two Greek words: stoicheion- element and metron- measure.
Thus, stoichiometry deals with the calculation of mass/volume of reactants and products in a chemical reaction.
Solving these problems:
The easiest approach to solve such problems involves the following steps:
Write down the balanced chemical equation.
Write the relative number of moles and relative masses of the reactants and products below their formulae
In case of a gaseous substance, write down 22.4 litres at STP below the formula in place of 1 mole
Calculate the asked quantity by unitary method
Note that if the reaction takes place in solution, the given molarity/normality must be converted into moles/grams.
Limiting Reagent
The reactant which is present in lesser amount ( in moles) is called the limiting reagent because it gets consumed early and stops the reaction to proceed further. Remember to convert the given amount into moles to identify the limiting reagent.
You can ask any doubts regarding this concept in the ask mail! Hope you found it helpful.
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