Will a precipitate form from [tex] \text{Pb(NO}_3\text{)}_2 \text{(aq)} [/tex] and [tex] \text{HCl(aq)} [/tex]?
Answer (3)
Write out the formula
Pb(NO3)2 (aq) + 2HCl (aq) ----> PbCl2 + 2HNO3
Use solubility guidelines (gotta memorize 'em) for the products to see if a solid forms
Nitrates are always soluble so 2HNO3 (aq) Chlorides (Cl) are always soluble except for when you mix them with copper, lead, mercury, or silver.
Since you mixed it with lead (Pb) it is solid and forms a precipitate. PbCl2 (s)
According to the chemical reaction between lead nitrate and hydrochloric acid a precipitate of lead chloride is formed as it is double displacement reaction , that is Pb(NO₃)₂ +HCl → PbCl₂ +HNO₃.
What is a chemical reaction?
Chemical reactions are defined as reactions which occur when a substance combines with another substance to form a new substance.Alternatively, when a substance breaks down or decomposes to give new substances it is also considered to be a chemical reaction.
There are several** characteristics o f chemical reactions like change in color**, change in** state** , change in odor and change in **composition **. During chemical reaction there is also formation of precipitate an insoluble mass of substance or even evolution of gases.
There are **three types **of chemical reactions:
inorganic reactions
2)organic reactions
biochemical reactions
During chemical reactions atoms are rearranged and reactions are accompanied by an **energy change **as new substances are formed.
Learn more about chemical reactions ,here:
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Yes, a precipitate will form when lead(II) nitrate reacts with hydrochloric acid due to the formation of insoluble lead(II) chloride. The reaction is a double displacement reaction where the solid precipitate separates from the solution. This solid is identified as lead(II) chloride, which does not dissolve in water.
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