to verify law of conservation of mass when we add aqueous solution of sodium sulphate to Barium Chloride solution, what is not observed
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Observations:
Mass of total apparatus + Mass of reactants = (M + m1) g
When barium chloride solution in the test tube mixes with the sodium sulphate solution in the conical flask, a white precipitate is formed.
Mass of total apparatus + Mass of products = (M + m2) g
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