NH3(g) + HCl(s) → NH4Cl(s). The entropy change in the system is?

Insoluble salts can be prepared by?

A. titrating an alkali against an appropriate acid B. reacting an acid with trioxocarbonatr (IV) salt C. directing combination of the elements which make up the salt D. mixing two soluble compounds containing the metallic radical and the acidic radical Correct Answer:...

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