Question

A solution is prepared by adding 160g of caustic soda in 360g of water.The mole fraction of caustic soda and water are respectively

Answer 1

moles of NaOH=160/40=4
moles of water=360/18=20
mole fraction of NaOH=4/20+4=0.166
mole fraction of water=1-0.166=0.834
here's the answer

Answer 2

Solution is above☝☝☝
mole fraction of n=moles of n /total no. of moles
The final answer will be, mole fraction of caustic soda is equals to 0.2 and mole fraction of water equals to 0.8

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