Scelta multipla
Which of the following is the strongest base?
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14. Acids and Bases
Acid and Base Strength
Scelta multipla
Predict the direction of the following reaction:
HC2H3O2 (aq) + H2O (liq) ______________ H3O+ (aq) + C2H3O2– (aq)
A
B
C
D
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Identify the components of the reaction: HC2H3O2 (acetic acid) and H2O (water) are the reactants, while H3O+ (hydronium ion) and C2H3O2– (acetate ion) are the products.
Understand that this is an acid-base reaction where acetic acid donates a proton to water, forming hydronium and acetate ions.
Consider the strength of acetic acid as a weak acid, which means it does not completely dissociate in water.
Recognize that the equilibrium position of the reaction depends on the relative concentrations of the reactants and products, as well as the acid dissociation constant (Ka) of acetic acid.
Use the concept of equilibrium to predict the direction: if the reaction mixture initially contains more reactants than products, the reaction will proceed forward to form more products until equilibrium is reached.
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