What is the molality of 25 ppm NaCl Show your work followed by the answer - Chemistry - Solutions

Question

What is the molality of 25 ppm NaCl? Show your work followed by the
answer

Ravjot Kaur · Accepted Answer

Dear student
ppm can be converted into molarity by the following relation

here
M = molarity
M M = molar mass
here mass of NaCl is 40g/mol

M = 25/58 5 x 1000
= 0 00043M
so,provided the density of the solution is provided and mass of the
solute is given, the molality can be found out

Regards

What is the molality of 25 ppm NaCl? Show your work followed by the answer.