Equal amounts of marble chips are reacted separately with 100cm3 of hydrochloric acid of different concentrations. If all the marble chips reacted; which of the following remained the same in each case?

  • A Average rate of evoluton of gas
  • B Total mass of gas evolved during the reaction
  • C Time taken for the reaction to reach completion
  • D Initial reaction rates

The correct answer is B. Total mass of gas evolved during the reaction

No explanation given
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