Answer the questions below, relating your answers only to salts in the following list: sodium chloride,
Answer the questions below, relating your answers only to salts in the following list: sodium chloride, anhydrous calcium chloride, copper sulphate - water.
(a) What name is given to the water in the compound copper sulphate -5- water?
(b) If copper sulphate 5- water is heated, anhydrous copper sulphate is formed. What is its colour?
(c) By what means, other than heating, could you dehydrate copper sulphate -5- water and obtain anhydrous copper sulphate?
(d) Which one of the salts in the given list is deliquescent?
1 Answers
(a) The name given to the water in the compound copper sulphate-5-water is water of crystallization.
(b) The anhydrous copper sulphate is white in colour.
(c) By adding dehydrating substances such as conc. sulphuric acid as they remove the water of crystallisation.
(d) anhydrous calcium chloride