Calcium cyclamate ca(c6h11nhso3)2 is an artificial sweetener used in many countries around the world but is banned in the united states can be purified industrially by converted into the barium salt trough the reaction of the acid c6h11nhso3h with barium carbonate treatment with sulphuric acid (barium sulphate is very insoluble), and the neutralization is calcium hydroxide. write the balanced equation for these reactions.