1.

5-What mass of NaCi must be dissolve in 65g of water to lower the freezing point of water by 7.5 'c Thefreezing point depression constant(Ke )for water is 1.86 K kg mol' Assume van't noff factor for Nacto be 1.87 and molar mass of NaC! is 58.5g mol"

Answer»


Discussion

No Comment Found