If the density of 3M NaOH solution is 2g/cm^3 then the molality of the

1.	If the density of 3M NaOH solution is 2g/cm^3 then the molality of the solution will be
Answer» ANSWER: Density=Molarity (1/molarity + MOLECULAR wt/1000) 2=3(1/m+40/1000) 2=3(1/m+1/25) 2=3/m+3/25) 2=75+3m/25m. [LCM] 50m=75+3m 47m=75 m=75/47=1.59=1.6

If the density of 3M NaOH solution is 2g/cm^3 then the molality of the solution will be

Answer»

Density=Molarity (1/molarity + MOLECULAR wt/1000)

2=3(1/m+40/1000)

2=3(1/m+1/25)

2=3/m+3/25)

2=75+3m/25m. [LCM]

50m=75+3m

47m=75

m=75/47=1.59=1.6