Acids react with water to produce hydronium ions, H 3 O + . The strength of an a

Question

Acids react with water to produce hydronium ions, H3O+. The strength of an acid relative to water is quantified by the equilibrium constant for this reaction, called the Ka value. This Kvalue is defined as any other equilibrium value, as [products]coefficient/[reactants]coefficient.

Answer the following questions that apply to a strong acid.

Write the net acid-base reaction that occurs when HBr is added to water. (Use the lowest possible coefficients. Omit states-of-matter in your answer.)

Which are the only species present?

Which statements are true when a strong acid, such as HCl, is dissolved in water? (Select all that apply.)

Acids react with water to produce hydronium ions, H3O+. The strength of an acid relative to water is quantified by the equilibrium constant for this reaction, called the Ka value. This Kvalue is defined as any other equilibrium value, as [products]coefficient/ [reactants]coefficient. Answer the following questions that apply to a strong acid. Write the net acid-base reaction that occurs when HBr is added to water. (Use the lowest possible coefficients. Omit states-of-matter in your answer.) Which are the only species present? hydronium ions strong acid molecules conjugate base ions water molecules Which statements are true when a strong acid, such as HCl, is dissolved in water? (Select all that apply.) Equal amounts of strong acid and hydronium exist in solution. Ka ~ 1 Ka >> 1 The only species present are hydronium, the conjugate base, and the water as solvent.

Explanation / Answer

1) HBr + H2O ==> H3O+ + Br-

2) H3O+, Br-, H2O

3) hydronium ion, Cl-

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