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Calculate the molality of each solution.(a) 0.455 mol solute; 1.97 kg solvent(b) 0.559
Chapter 13, Problem 98P(choose chapter or problem)
QUESTION:
Calculate the molality of each solution.
(a) 0.455 mol solute; 1.97 kg solvent
(b) 0.559 mol solute; 1.44 kg solvent
(c) 0.119 mol solute; 488 g solvent
Questions & Answers
QUESTION:
Calculate the molality of each solution.
(a) 0.455 mol solute; 1.97 kg solvent
(b) 0.559 mol solute; 1.44 kg solvent
(c) 0.119 mol solute; 488 g solvent
ANSWER:
Problem 98P :
Step 1:
Here, we have to calculate the molality of each solution :
First, let’s see what is molality :
Molality(m) is a property of a solution and is defined as the number of moles of solute per kilogram of solvent. The SI unit for molality is mol/kg.
Formula to find the molality of solution :
Molality(m) =