Reaction of HCl with CaCO3

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This topic contains 1 reply, has 0 voices, and was last updated by  Ethon 12th May 2018 at 8:47 am.

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    We have to choose 2 compounds in the list below to form a solid product. 

    This solid need to react with hydrochloric acid to form exactly 300mL of a gas, 
    that will be collected in a specific system to simulate an “airbag”.

    List: MgCl2, NaOH, Potassium Iodide(KI), NaSO4, Na2CO3, CuSO4, FeCl3, CaO and CaSO4.

    So, I was thinking about Na2CO3 and CaSO4, that will form CaCO3 and Na2SO4. CaCO3 react with HCl 
    to form CO2 according to the equation: 2HCl + CaCO3 –> CaCl2 + H2O + CO2 

    Is it all ok??

    Now, how many CaCO3 is required to obtain 300 mL of CO2?
    I need to know temperature and pression, right?

    I would really appreciate any help you guys can give me!

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