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Answered 2012-11-25 18:34:02

Normality is another way to express the concentration of a solution. It is similar in many ways to molarity. The difference is that molarity is way to provide information about the number of molecules in a liter of solution and normality provides information about the number of reactive units in a liter of solution. Molarity is expressed in terms of moles of a compound per liter of solution. (Remember a mole is molecules) Normality is expressed in equivalents per liter. An equivalent can defined as the number of moles of "reactive units" in a compound. One equivalent can either react with or take the place of one mole of hydrogen ions.

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Molarity is the concentration of a solution in moles per litre. Normality is the concentration of a solution in equivalent masses per litre.



Check out the link Molarity, Molality and Normality


through molarity,molality, normality. through molarity,molality, normality.


Molarity equals normality when the equivalence factor = 1.


The normality and molarity are not equal in any state because molarity provides information on the number of molecules while normality provides information on the number of reactive units.


H2SO4 releases two hydrogen ions into solution. Therefore its Normality is twice its Molarity. Or to answer the question, the molarity is half the normality.


For some solutions IE HCl they are the same because 1 mole H+ ions is formed by one mole of HCl, but some IE H2SO4 produces 2 moles of H+ ions for one mole of acid, so the normality is 2 times the molarity.


"Normality" refers to the activity of a reagent: gram equivelant dissolve in a liter? "Molarity" refers the numbers of moles of the solute present per litre of the solution. "Molality" refers the numbers of moles of solute present in 1000 grams of the solvent. Thus, for hydrochloric acid (HCl) and sodium hydroxide (NaOH) the normality is equal to the molarity. But for dibasic substances like sulfuric acid (H2SO4) or barium hydroxide Ba(OH)2, the normality is twice the molarity. For a tribasic substance, normality would be three times the molarity and so forth.Molarity measures the number of moles of a substance present in per liter of solution. Normality is basically a measure of concentration that is in the mixture of solution.


nomality =molarity*valancy factor


Normality is the number of equivalents (how many H+ ions) times molarity of the substance. The molarity of a substance is the number of moles of a solute per liters of solution.


Normality - molarity/functionality so 1.25/2 = 0.625N


One equivalent proton per mole, so molarity is equal to normality.



It is monobasic - so normality = molarity. So 6N HCl = 6 Molar HCl


Multiply by the number of equivalents per mole.



Molarity is concentration in moles/L (symbolized by M). Molality is a different way of expressing molarity, but in moles of solute/mass of solvent in mol/kg (symbol m). Normality is molarity x number of equivalents (symbolized by N). Equivalents are the ions that it would dissociate into (H+, OH-, e-, etc.)


Normality is unit of measurement in chemistry like Molarity.It is defined as Normality = No. of gram equilvalents in the solution/ volume of solution in litresSomethinhg that means "normal" according the rules of the society you live in.


Molarity solution is not a term that I have ever heard used. Molarity is always a term used to describe a concentration of solute in a solvent, i.e. of a solution. The closest I've heard to molarity solution is when people ask "what is the solution's molarity".



Since each NaOH molecule contains only one hydroxide ion, the normality of NaOH is equal to its molarity. Therefore, 1.0 N of NaOH is the same as 1 M.


Normality is the same as molarity - it is the number of moles of a subsatnce dissolved in one litre (usually of water). One mole of a substance is the molecular or atomic weight of the compound in grammes. 1M or 1N is one mole dissoled in one litre


Molarity has to deal with the concentration of solute in a concentration, and Moles per liter of the solvent is the concentration of solvent.


I believe you mean molarity. Molarity is a unit of concentration. So if the number is twice as big...