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Question
CaCO3 + 2HCl[dil.] → CaCl2 + H2O + CO2 [g]
State the information not conveyed by the above chemical equation.
Solution
Information not conveyed are :
- Time, a reaction takes to complete.
- About the concentrations of reactants and products.
- Speed of reaction.
- Changes in color occurring – during the reaction.
- Whether heat is given out or absorbed during the reaction.
- The physical state of reactants and products.
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