Question

calculate the molality of a solution containing 20.7 grams of potassium carbonate dissolved in 500ml of solution density of solution in 1g/ml
​

Answer 1

Answer:

(assume density of solution =1g mL-1) Molality of solution (m)=(20.7g)(138 g mol-1)×(0.4793 kg)=0.313mol kg-1=0.313 m.