24mayaalshamsi83 24mayaalshamsi83

30-10-2020
Chemistry

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Which statement best describes the equation CaCO3 + 2HCl → CaCl2 + CO2 + H2O?

CaCO3 is a reactant; it is present before the reaction occurs.
CaCl2 is a reactant; it is present before the reaction occurs.
CO2 is a reactant because it is most likely a gas.
H2O is a reactant because it is most likely a liquid.

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ChemMajor ChemMajor

30-10-2020

Answer:

First answer

Explanation:

Reactants are always on the left side of the equation. So the first answer must be the correct one since CaCO3 is the only one found on the left side.

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jpe29399 jpe29399

09-11-2020

Answer:

A

Explanation:

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