which ans u r getting??
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hayy mate here your answer ✔️ ✔️
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molality means moles of solute per kg of solvent
thus 3 molal solution means 3 moles of NaOh in 1 kg of water
no of moles of h20=(1000/18)=55.56
mole fraction= (moles of NaOH)/(Moles of NaOH+moles of Water)
=3/ (3+55.56)
=0.0512
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your answer is in above image ✨⬆️⬆️
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❤️⭐I hope you mark as brainlist answer⭐❤️✨✨✨
OR
molality means moles of solute per kg of solvent
thus 3 molal solution means 3 moles of NaOh in 1 kg of water
no of moles of h20=(1000/18)=55.56
mole fraction= (moles of NaOH)/(Moles of NaOH+moles of Water)
=3/ (3+55.56)
=0.0512
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rekha6936:
o sure
bt in ques it is given that 3 is the molality then how u can say that moles of naoh is 3
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