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CBSE Class 9 Answered

How to find concentration of the solutions

 

Asked by fathimafero | 11 Sep, 2019, 02:00: PM
Expert Answer
Concentration is expressed in various concentration terms. 
Basic formulae of concentraion is:
 
C o n c e n t r a t i o n equals fraction numerator A m o u n t space o f space s o l u t e over denominator A m o u n t space o f space s o l v e n t end fraction
space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space o r
C o n c e n t r a t i o n equals fraction numerator A m o u n t space o f space s o l u t e over denominator A m o u n t space o f space s o l u t i o n end fraction
There are two major ways of expressing concentration-
 
left parenthesis 1 right parenthesis space M a s s space b y space m a s s space p e r c e n t a g e space o f space a space s o l u t i o n equals fraction numerator M a s s space o f space s o l u t e over denominator M a s s space o f space s o l u t i o n end fraction cross times 100

left parenthesis 2 right parenthesis thin space M a s s space b y space v o l u m e space p e r c e n t a g e space o f space a space s o l u t i o n equals fraction numerator M a s s space o f space s o l u t e over denominator v o l u m e space o f space s o l u t i o n end fraction cross times 100
Answered by Ravi | 12 Sep, 2019, 11:01: AM
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