2.3 Define the following terms:
(i) Mole fraction
Mole fraction is defined as the ratio of number of moles of a component and total number of moles in all components.
i.e.,
'CBSE failed us, again!': Board faces backlash as Class 12 re-evaluation portal remains inaccessible
CBSE Class 12 re-evaluation portal faces technical glitch, services to resume by 2 pm
CBSE extends deadline to download Class 12 answer sheets till May 23; re-evaluation from May 26
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