Respuesta :
Answer:
[tex]2NaCl_{(aq)}+Pb(CH_3COO)_2_{(aq)}\rightarrow 2CH_3COONa_{(aq)}+PbCl_2_{(s)}[/tex]
Explanation:
Symbolic representation of the chemical reaction with the help of the formulas and symbols is known as chemical equation. In the chemical equation, reactants are written at left-hand side as well as products are expressed or written on right-hand side. The coefficients which are written before the formulas or the symbols are known as stoichiometric numbers.
Molecular Equation -
It is the balanced chemical reaction equation in which all the ionic compounds that are involved in chemical reaction are written or expressed as the complete molecules.
The balanced molecular equation of sodium chloride and lead (II) acetate is:-
[tex]2NaCl_{(aq)}+Pb(CH_3COO)_2_{(aq)}\rightarrow 2CH_3COONa_{(aq)}+PbCl_2_{(s)}[/tex]
A molecular equation : Pb(CH3COO)₂(aq) + 2NaCl(aq)⇒ PbCl₂(s) + 2CH₃COONa (aq)
Further explanation
The equation of a chemical reaction can be expressed in the equation of the ions or molecular equation
For strong electrolytes (the ionization rate = 1) is written in the form of separate ions, while the weak electrolyte (degree of ionization <1) is still written as an un-ionized molecule
In the ion equation, there is an ion spectator that is the ion which does not react because it is present before and after the reaction
When these ions are removed, the ionic equation is called the net ionic equation
For gases and solids including water (H₂O) can be written as molecule
A molecular equation is a chemical equation expressed as a molecule
Double-Replacement reactions occur if there is an ion exchange between two ion compounds in the reactant to form two new ion compounds in the product
To predict whether this reaction can occur or not is one of them, the precipitation reaction. A precipitation reaction occurs if two ionic compounds which are dissolved reacted to produce one of the products of the ion compound does not dissolve. Formation of these precipitating compounds that cause reactions can occur
Solubility Rules:
soluble compound
- All compounds of Li⁺, Na⁺, K⁺, Rb⁺, Cs⁺, and NH₄⁺
- All compounds of NO₃⁻ and C₂H₃O₂⁻
- Compounds of Cl⁻, Br⁻, I⁻ except Ag⁺, Hg₂²⁺, Pb²⁺
- Compounds of SO₄²⁻ except Hg₂²⁺, Pb²⁺, Sr²⁺, Ba²⁺
The reaction between sodium chloride and lead (II) acetate can occur due to the formation of precipitated compounds namely PbCl₂
A molecular equation
Pb (CH₃COO)₂(aq) + 2NaCl⁻(aq)> PbCl₂(s)+ 2CH₃COONa(aq)
Learn more
the net ionic equation
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