CH₃COOH-CH₃COO⁻ is a conjugate acid-base pair. NH₃-NH₂⁻ is another conjugate acid-base pair
Answer:
Los metaloides serían los elementos con propiedades intermedias. No existe una definición estandarizada de elemento metaloide ni un consenso completo sobre los elementos que son metaloides. A pesar de la falta de especificidad en el término, es muy utilizado en los textos químicos, tanto educativos como divulgativos o de investigación.
Explanation:
Salts in order of growing pH of their 0.1 M aqueous solutions: NaHCO₃, , NaHSO₄ , Na2CO3, NH₄NO₃ .
<h3>How do you determine the pH of a substance?</h3>
To calculate the pH of an aqueous solution you want to recognize the attention of the hydronium ion in moles per liter (molarity). The pH is then calculated using the expression: pH = - log [H3O+].
<h3>What makes a salt acidic?</h3>
Since the cation acts as weak, a salt with an anion of a strong acid and a cation of a susceptible base produces an acidic solution with a pH much less than 7.
In this case, the anion will become the spectator ion, while the weak acid dissociates in water and yields H3O+ ions.
Learn more about pH of salts here:
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