Multiple choice

What information is conveyed by the following equation? CaCO3 + 2HCl $\to$ CaCl2 + H2O + CO2

  1. Rate of reaction

  2. Concentration of the reactants

  3. Amount of products formed

  4. Physical states of reactants and products
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C Correct answer
Explanation

100 gm of CaCO3 reacts with 73g of HCl and produces 111g of CaCl2, 18g of H2O and 44g of CO2.

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