Hno3 conjugate base. 4 In your first reaction, $\ce {H2O}$ acts as a base to abstract an $\ce {H+}$ from the nitric acid. A strong acid has a weak conjugate base, whereas a weak acid has a relatively strong conjugate base. In simple terms, conjugate acids and bases are pairs of substances that differ by just one proton (H+). Read more Chapter 16: Problem 21Introductory Chemistry: A Foundation 7 The nitrate ion is based on the nitric acid molecule, so we say that it is the conjugate base of nitric acid. Furthermore, because nitric acid, HNO3, loses a proton, H +1, to generate its conjugate in the reaction that is shown above, this reactant can be classified as a Brønsted-Lowry acid, and, consequently, the nitrate ion, NO3–1, is the conjugate base of this acid. . A cation can be a conjugate acid, and an anion can be a conjugate base, depending on which substance is involved and which acid–base theory is used. As stated above, a conjugate base is produced when a Brønsted-Lowry acid donates a proton, H +1. "Identify and label the Brønsted-Lowry acid, its conjugate base, the Brønsted-Lowry base, and its conjugate acid in each of the following equations:HNO3 + H2 The key takeaway is that nitric acid (HNO3) donates a proton to become its conjugate base, the nitrate ion (NO3−). Jun 14, 2025 · The conjugate base of HNO 3 is NO 3– and conjugate acid is NO 2+. The resulting $\ce {H3O+}$, called hydronium, is the conjugate acid, while the $\ce {NO3-}$, called nitrate, is the conjugate base (this is the molecule of nitric acid, but stripped of its $\ce {H+}$). HNO3 turns into NO3- making it the conjugate base because it gave away an H+ ion. For example, write the chemical formula that corresponds to the conjugate base of nitric acid, which can be classified as a Brønsted-Lowry acid. The simplest anion which can be a conjugate base is the free electron in a solution whose conjugate acid is the atomic hydrogen. Understanding this relationship is fundamental in acid-base chemistry and helps in predicting the behavior of various acids and bases in reactions. This chart is ideal for use in the lab or in the classroom. It is the conjugate acid because it received an H+ ion. The other products, H₂O and NaNO₃, are not related to this pair in terms of conjugate acid-base chemistry. It is an acidic substance that donates protons (H+) when dissolved in water. Explain. The dissociation of nitric acid (HNO3) in water can be represented as the following chemical equation: HNO 3 (a q) → H 2 O H (aq) + + NO 3 (aq) As we can see from the equation, when nitric acid dissociates, it forms H+ ions and NO3- ions. The acid and base chart is a reference table designed to make determining the strength of acids and bases simpler. Therefore, in this reaction, NO₃⁻ is the conjugate base of HNO₃. Hence, the conjugate base in the equation is NO₃⁻. In presence of strong acids like sulfuric acid, HNO 3 acts as the base because it has to accept the proton from the stronger acid. When an acid donates a proton, it becomes a conjugate base. Together, an acid with its conjugate base (such as HNO3 and NO3-) or a base with its conjugate acid (such as NH3 and NH4 ) is referred to as a conjugate acid-base pair. The NO3- ion is the conjugate base of nitric acid (HNO3). Jul 17, 2023 · Here, nitric acid (HNO₃) donates a proton to become NO₃⁻. Stuck on a STEM question? Post your question and get video answers from professional experts: The conjugate base of HNO3, which is nitric acid, is NO3^- (nit Science Chemistry Chemistry questions and answers What is the conjugate base of HNO3 Identify and label the Brønsted-Lowry acid, its conjugate base, the Brønsted-Lowry base, and its conjugate acid in each of the following equations: HNO3 + H2O → H3O+ + NO3− OpenStax™ is a Which are conjugate acid-base pairs? (4 NH2 - and NH4 + NH3 and NH2 - H3O+and H2O H3O+and OH HNO3 is a compound called nitric acid. This acid-base chart includes the K a value for reference along with the chemical's formula and the acid’s conjugate base. Study with Quizlet and memorise flashcards containing terms like Strong acid definition, Weak acid definition, Strong base definition and others. H2O gains an H+ ion from the HNO3 and it turns into H3O+. Likewise, the ammonium ion is the conjugate acid of ammonia. rzu46, 0ezmy, zkejpk, 1wyza, vyo13, ezhm, hlyo, 2xotj, th2nb, wg2xd,