what is the balance equation if lactic acid is added with sodium biacarbonate and potassium bicarbonate
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It is called a BALANCED reaction, not a "balance reaction".
The bicarbonate ion from either the sodium or potassium bicarbonate will reaction with the hydrogen ions of the acid, causing the release of CO2 and the formation of a water moecule.
H+ + HCO3- --> H2O + CO2
(Na+ and K+ remain in solution)
To balance the equation when lactic acid reacts with sodium bicarbonate and potassium bicarbonate, we first need to know the chemical formulas of the compounds involved.
The chemical formula for lactic acid is C₃H₆O₃, sodium bicarbonate is NaHCO₃, and potassium bicarbonate is KHCO₃.
Now, let's write the unbalanced equation:
C₃H₆O₃ + NaHCO₃ + KHCO₃ → ? + ? + ?
To balance this equation, we need to ensure that the same number of each type of atom appears on both sides of the equation. Let's go step by step:
1. Balance the carbon (C) atoms:
There are 3 carbon atoms in lactic acid (C₃H₆O₃) and only one carbon atom in each bicarbonate compound (NaHCO₃ and KHCO₃). Therefore, we need a coefficient of 3 in front of the bicarbonate compounds:
C₃H₆O₃ + 3NaHCO₃ + 3KHCO₃ → ? + ? + ?
2. Balance the hydrogen (H) atoms:
There are 6 hydrogen atoms in lactic acid and only one hydrogen atom in each bicarbonate compound. Therefore, we need a coefficient of 6 in front of water (H₂O) to provide the necessary hydrogen:
C₃H₆O₃ + 3NaHCO₃ + 3KHCO₃ → ? + 6H₂O + ?
3. Balance the oxygen (O) atoms:
Lactic acid has 3 oxygen atoms, while the bicarbonate compounds each have 3 oxygen atoms. Therefore, there is already a balanced number of oxygen atoms.
The balanced equation is:
C₃H₆O₃ + 3NaHCO₃ + 3KHCO₃ → ? + 6H₂O + 3NaC₃H₅O₃ + 3K₂CO₃
Please note that the products of this reaction will depend on the specific conditions, such as temperature, concentration, and presence of catalysts.