Which statement best describes the equation caco3 + 2hcl → cacl2 + co2 + h2o?
a. caco3 is a r...
Which statement best describes the equation caco3 + 2hcl → cacl2 + co2 + h2o?
a. caco3 is a reactant; it is present before the reaction occurs.
b. cacl2 is a reactant; it is present before the reaction occurs.
c. co2 is a reactant because it is most likely a gas.
d. h2o is a reactant because it is most likely a liquid.
Answers: 2
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