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    Several reactions of calcium carbonate with dilute hydrochloric acid are carried out at the same temperature.

    Question
    SLPaper 1A

    Several reactions of calcium carbonate with dilute hydrochloric acid are carried out at the same temperature.

    CaCO3(s)+2HCl(aq)→CaCl2(aq)+H2O(l)+CO2(g)CaCO_3 (s) + 2HCl (aq) → CaCl_2 (aq) + H_2O (l) + CO_2 (g)CaCO3​(s)+2HCl(aq)→CaCl2​(aq)+H2​O(l)+CO2​(g)

    Which reaction has the greatest rate?

    AnswerConcentration of HCl(aq)Surface area of same mass of CaCO₃(s)
    Ahigherlarger
    Blowersmaller
    Clowerlarger
    Dhighersmaller

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