Question

One liter of water is added to 5 liters of a 20% solution of alcohol in water. The strength of alcohol is now

Answer 1

Process for the preparation of benzyl alcohol by the hydrolysis of benzyl chloride with water at elevated temperature, characterized in that the hydrolysis is performed at a molar ratio of benzyl chloride to water of from 1:10 to 1:70, at temperatures of from 80° to 180° C. and for a reaction time of 2 to 240 minutes

Answer 2

Explanation:

One litre of water is evaporated from 6 litres of a solution containing 5% salt. Quantity of salt in 6L of sea water, = (6*5)/100 = 0.30.