Because they usually are weak.
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Answer:
The correct statement is : It results in an equilibrium mixture of reactants and products.
Explanation:
A reversible chemical reaction is one that occurs in both directions, that is, of the reagents to generate products and vice versa. In synthesis, they are incomplete reactions since the reagents are not consumed in their entirety, since the products react to generate them again.
Density = mass/volume
Density = 81g/0.9cm³
Density = 90g/cm³
: )