if 5.85 g of nacl are dissolved in 90g of water the mole fraction of nacl is #NTA #NEET #NEETquestion #mcq #2021 # chemistry - Study24x7
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20 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

if 5.85 g of nacl are dissolved in 90g of water the mole fraction of nacl is #NTA #NEET #NEETquestion A

0.0196

B

0.2

C

0.3

D

0.01

NEET / Medical
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  • Dev kumar
    • Mole Fraction = Moles of solute/Moles of solute + Moles of solvent 5.85gNaCl=5.85/58.5 mole = 0.1 mol 90gH2O=90/18 moles = 5 moles mole fraction of NaCl = 0.1/5+0.1≈0.0196.
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