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When carbon dioxide (CO2) reacts with sodium hydroxide (NaOH), it forms sodium carbonate (Na2CO3) and water (H2O). This reaction increases the pH level of the solution because sodium carbonate is a basic compound.

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Q: How does the reaction between CO2 and NaOH affect the pH level of a solution?
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How does the reaction between NaOH and CO2 affect the pH of a solution?

When NaOH reacts with CO2, it forms sodium carbonate and water. This reaction increases the pH of the solution because sodium carbonate is a basic compound. The presence of more basic compounds in the solution raises the pH level.


How does the reaction between HCl and H2O affect the pH level of the solution?

When hydrogen chloride (HCl) reacts with water (H2O), it forms hydronium ions (H3O) and chloride ions (Cl-). This increases the concentration of hydronium ions in the solution, making it more acidic and lowering the pH level.


What is the relationship between the pH level and the solubility of NaCl in a solution?

The pH level of a solution does not directly affect the solubility of NaCl. The solubility of NaCl is primarily influenced by temperature and pressure, rather than pH.


Why does the pH level increase during the reaction between magnisium and hydrochloric acid?

The pH level increases because the reaction between magnesium and hydrochloric acid produces hydrogen gas, which reduces the concentration of H+ ions in the solution, causing the pH level to increase. Additionally, the magnesium hydroxide formed during the reaction is a weak base that contributes to the rise in pH.


What is the effect of sucrose on the pH level of a solution?

Sucrose does not directly affect the pH level of a solution because it is a neutral compound. However, when sucrose is broken down into glucose and fructose by enzymes, it can indirectly affect the pH level through the production of acids or bases during metabolism.