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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Keerthi
in 4 th step how u wrote 20 sir that step I didn't understand
keerthi mole fraction how u find.mole of one by total moles...so 16/16+4 =16/20 simlarly 4/16+4=4/20...now got it??
ohh okk I understood thank you sir ☺️
welcome😊