Question

Explain the process and precaution in varifying the law of conversion of mass

Answer 1

Answer:

Precautions : When setting up the apparatus, and while taking the first reading of the totalmass of apparatus and reactants, care must be taken that the barium chloride solution in the ignition tube does not spill and mix with the sodium sulphate solution in the conical flask.

Answer 2

Answer:

when setting first apparatus ,and while taking the first reading of the total mass of apparatus and reactant,care must be taken that the barium chloride solution in the testube doesn't spill or mix with sodium sulphate solution