Answer to Question #244168 in General Chemistry for muntaser

Question

How many grams of NaCl would you need to make a 1 litre solution which is 0.2 M? (Give your answer into 1 decimal place)

Answer 1

Molality,m= moles of solute /kg in solvent

or,0.2 = moles of solute/1kg

or,moles of solute = 0.1mol

= 0.2×58.5g

= 11.7g