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Answer to Question #15486 in Inorganic Chemistry for shivom

Question #15486
how much % of NaCl is required to dissolve in water to make its freezing point 4degree centigrade?
Expert's answer
dT=k*n
k=1.84
dT=4
n=4/1.84=2.17 mol/L
m=2.17*58.5=126.95
g
W=126.95/(126.95+1000)*100%=11.3%

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