WHAT is PERHYDROL? SPECIAL METHODS of Concentration terms for HYDROGEN PEROXIDE

 

What is Perhydrol?

VOLUME STRENGTH:

The strength of H2O2 is expressed in terms of volume strength.

It is defined as Volume of Oxygen evolved (measured at STP) when 1 lit of given given H2O2 decomposed.

e.g.,10 vol, 20 vol,30 vol,

10 vol H2O2 means 1 Lit  H2O2 gives 10 Lit of O2 at 

STP.

 *PERHYDROL* 

It is special commercial name give to solution of H2O2 whose strength is 30 per cent w/v or 100 vol.

SHORTCUTS to CONVERT VOLUME STRENGTH to Mass/Volume percentage:

10 vol H2O2=3.036% w/v 

Or

11.2 vol H2O2 = 3.4% w/v

SHORTCUTS to CONVERT VOLUME STRENGTH to NORMALITY :

10 vol H2O2= 1.786 N 

Or 

11.2 vol H2O2 = 2N 

SHORTCUTS to CONVERT VOLUME STRENGTH to MOLARITY :

10 vol H2O2 = 0.893M

(or) 

11.2 vol H2O2 = 1 M

Check below for detailed explanation : 

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