What do you understand by limiting reactant?


 

When in reaction, one rectant is in excess over the other. The reactant which is present in the lesser amount gets consumed after  sometimes and after no further reaction takes place whatever be the amount of the other reactant present. Hence, the reactant which gets consumed, limits the amount of product formed and, therefore, called the liminting reagent.

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What is stoichiometry?


The word ‘stoichiometry’ is derived from two Greek words - stoicheion (meaning element) and metron (meaning measure). Stoichiometry, thus, deals with the calculation of masses (sometimes volumes also) of the reactants and the products involved in a chemical reaction.

 

 

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Define molality (m).


Molality of a solution is defined as the number of moles of solute dissolved per kg of solvent.


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From where the word stoichometry has been derived?


The word ‘stoichiometry’ is derived from two Greek words - stoicheion (meaning element) and metron (meaning measure).

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What is the S.I. unit of molarity?


The SI unit of molarity si mol L-1

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