Normality

[swooth01]

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Hey everyone. Just had a question on when to use N1V1 = N2V2 instead of M1V1 = M2V2. I've done some destroyer questions and it uses the Normalities when the compounds have H+ or an OH- in it. Is this a general rule? If you see those two to use Normality instead of Molarity? What if only one of the compounds have H+ or a OH- while the other doesn't? Thanks in advance and good luck studying to everyone that has the DAT soon!

 

[as2007]

always use N1V1 = N2V2!!!!
just know:

Normality (N) = Molarity (M) x #H's present
Molarity (M) = Normality / #H's present

hope it helped... you better off using normality all the time.. it'll still work out (just don't get mixed up)

 

[Shunwei]

Hey everyone. Just had a question on when to use N1V1 = N2V2 instead of M1V1 = M2V2. I've done some destroyer questions and it uses the Normalities when the compounds have H+ or an OH- in it. Is this a general rule? If you see those two to use Normality instead of Molarity? What if only one of the compounds have H+ or a OH- while the other doesn't? Thanks in advance and good luck studying to everyone that has the DAT soon!

Normality as used in the DAT is almost always dealing with acids/bases. MV = MV, however, can be used in various situations, especially dilutions.

 

[Anemone]

N>m

 

[shane.]

greater than or equal to

 

[Anemone]

greater than or equal to

lo siento, i forgot the _.

 

[Saber tooth]

When you neutralize or titrate something use Normality … simply look out for the words “neutralize” and “titration”