isme formula kya use krna hai

i know normality = gram equivalent/ volume and molarity* n factor but kaise use kru
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29 Replies
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Varun_Arora
Varun_Arora3mo ago
Use N = (N1V1+N2V2)/V1+V2
anaya
anayaOP3mo ago
iska derivation kya hai
Varun_Arora
Varun_Arora3mo ago
Thik about it What does gram equivalent mean?
anaya
anayaOP3mo ago
molar mass / n factor
Varun_Arora
Varun_Arora3mo ago
That's equivalent mass Gram equivalents in terms of molarity Normality* Sorry Normality
anaya
anayaOP3mo ago
ohh givem msss / equvalent mass
Varun_Arora
Varun_Arora3mo ago
Let's go a bit more simple Normality is gram equivalents per unit volume right?
anaya
anayaOP3mo ago
yrs
Varun_Arora
Varun_Arora3mo ago
If you want to calculate the number of gram equivalents In a mixture You multiply the normality by the volume right?
anaya
anayaOP3mo ago
ys yes
Varun_Arora
Varun_Arora3mo ago
So now think You mix two solutions And you want to calculate the concentration of the same thing in a mixture
anaya
anayaOP3mo ago
yes
Varun_Arora
Varun_Arora3mo ago
You divide the total number of gram equivalents By the total volume How do you get the above This formula
anaya
anayaOP3mo ago
ohhhhh oka
Varun_Arora
Varun_Arora3mo ago
Ab karke dekho
Sephrina
Sephrina3mo ago
@anaya is the ans 0.5N ?
anaya
anayaOP3mo ago
yes
Sephrina
Sephrina3mo ago
ok so uhm what u can do here is take out the n factor and calculate the molarity and then use the dilution formula
Varun_Arora
Varun_Arora3mo ago
That's not even really "required" Directly normality of mixtures se bhi to kar sakte hain
Sephrina
Sephrina3mo ago
normality makes my head spin so i stick to molarity
Varun_Arora
Varun_Arora3mo ago
Lmao why so lol Yahan to sab kuch diya hua hai Way simpler if we go by normality
Sephrina
Sephrina3mo ago
normality is just ..... to me like wth is that it makes no sense to me
Varun_Arora
Varun_Arora3mo ago
Lmao it's very convenient nonetheless @Sephrina
Sephrina
Sephrina3mo ago
im good in molarity normality is bs main problem i dont understand why normality like ok i get molarity but what use is normality
Varun_Arora
Varun_Arora3mo ago
Helps a lot to the people in labs Moles are weird to deal with Equivalents provide a lot more insight into the reaction Like moles require a lot of information beforehand Equivalents don't
Sephrina
Sephrina3mo ago
i dont understand equivalents thts the problem

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