An experiment test of the Law of conservation of Mass is illustrated in the diagram….

Chemistry JAMB 1978

An experiment test of the Law of conservation of Mass is illustrated in the diagram. In practice, the flask is weighed before and after reaction between solutions X and Y. Which of the following pairs of solutions will be unsuitable for the experiments

  • X = hydrochloric acid; Y = silver nitrate
  • X = barium chloride; Y = dilute sulphuric acid
  • X = hydrochloric acid; Y = sodium hydroxide
  • X = hydrochloric acid; Y = lead nitrate
  • X = hydrochloric acid; Y = sodium carbonate checkmark

The correct answer is: E

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