Question

a student is investigating a reaction between zinc and hydrochloric acid. The reaction produces hydrogen gas and a solution of zinc chloride. how would you expect the mass of the flask and it's contents to change over the course of the reaction? Explain your answer

Answer 1

the mass of the flask will be reduced after the reaction Because hydrogen gas will be evaporated. the beaker will become hot as a lot of heat will be released.

Answer 2

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