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solong [7]
3 years ago
9

Write the balanced equation for each reaction. Phases are optional.

Chemistry
1 answer:
Rudiy273 years ago
7 0

Answer:

1. CO₃⁻²  +  H₂O  ⇄  HCO₃⁻  +  OH⁻

2. HCO₃⁻ +  H₂O  ⇄  H₂CO₃  +  OH⁻  

3.  H₂CO₃ →  H₂O  + CO₂

Basic solution

Explanation:

Brønsted Lowry theory:

Acid → Release a proton

Base → Accept a proton

1. CO₃⁻²  +  H₂O  ⇄  HCO₃⁻  +  OH⁻

Carbonate takes a proton from the water

2.  HCO₃⁻ +  H₂O  ⇄  H₂CO₃  +  OH⁻  

Bicarbonate takesa proton from the water to produce carbonic acid.

3. H₂CO₃ →  H₂O  + CO₂

Carbonate acid decomposes into CO₂ and H₂O

In the first reaction, when the carbonate takes a proton from the water, water releases OH⁻, so the solution is basic.

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