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Leo Fung Grade: 11
        

Please suggest another two primary standards, except KHP, for the standardization of sodium hydroxide

7 years ago

Answers : (2)

askiitian.expert- chandra sekhar
10 Points
										

Please tell wat is KHP?

7 years ago
askiitian.expert- chandra sekhar
10 Points
										

As the NaOH is having the property of absorbing moisture from atmosphere it is difficult to weigh the weight of the NaOH properly.


Sodium hydroxide also reacts with carbon dioxide in the air, to form sodium carbonate


So NaOH is standardized using mainly KHP or PHP(potassium hydrogen ortho-phthalate).


Other than KHP we can use:


oxalic acid dihydrate, H2C2O4* 2 H2O



7 years ago
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