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Grade: 11

                        

What is stochiometry? Please explain the same in details!

one month ago

Answers : (1)

Pawan Prajapati
askIITians Faculty
3407 Points
							Answer ::

Stoichiometry is the calculation of the relative quantities of the reactants and the products in chemical reactions. Stoichiometry is based on the law of conservation of mass where the sum total of all the masses of the reactants is equal to the total mass of the products.

Types os stoichiometry :

Reaction stoichiometry
is describing the quantitative relationships that exist between the substances while participating in chemical reactions.

Composition stoichiometry-
owing to the well known relationship of the moles to the atomic weights, the ratios derived by stoichiometry can also be used in determining the quantities by weight in a reaction, also described by the balanced equation.

Gas stoichiometry
is dealing with the reactions that involve gases in the cases where the gases are ideal gases i.e. they are at a known temperature, pressure and volume. The volume ratio of the gases is ideally as per the ideal gas law, but the mass ratio of single reaction needs to be calculated using the molecular masses of the reactants and of the products. Molar masses are now used for calculating mass ratio owing to the existence of the isotopes.

Thanks
one month ago
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