Register
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.
144k views
5 votes
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.

User Nilson
by
5.0k points

2 Answers

4 votes

Answer:

A

Step-by-step explanation:

User Rendy Del Rosario
by
5.4k points
1 vote

Answer:

First answer

Step-by-step 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.

User Covati
by
5.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.6m questions

7.3m answers

Other Questions

How many pounds in a 3.00 l bottle of drinking water?
Compound A is an organic compound which contains Carbon, Hydrogen and Oxygen. When 0.240g of the vapour of A is slowly passed over a large quantity of heated Copper (II) oxide, CuO, the compound A is completely
Chlorine (Cl) forms a salt when it is combined with a metal. This element belongs in _____. group 18 group 17 period 18 period 17
In the following diagram for preparation of hydrogen gas as shown in the figure,what would happen if the following changes are made? (a) In place of zinc granules, same amount of zinc dust is taken in
When one substance changes into one or more new substances, it has exhibited a 1. chemical change. 2. chemical reaction. 3. physical change. 4. chemical property?
Link Copied!