Use mass = volume x density to calculate the mass of 1000 mL of the final solution. Then use the definition of molality = mols/kg solution.
I like to calculate the mass, then put molality into a single equation, which is,
kg x m x molar mass = grams.
You know kg, m, and molar mass. Calculate grams.
Post your work if you get stuck or don't understand what I've done.
How would you prepare 1.00L of 0.13m solution of sugar, C12H22O11? The density of the resulting solution is 1.10g/mL.
m=molality
2 answers
I don't undastnd.
1 answer