In the reaction HSO4- + HS- arrow H2S + SO42-, what is a conjugate acid-base pair? Identify the conjugate acid-base pairs in this equilibrium. NH3(aq) + H2S(aq) arrow HS-(aq) + NH4+(aq) Identify the conjugate acid-base pairs in the followi...
The conjugate base of an acid is the species that results when the acid donates H+. The conjugate acid of a base is the species that results when the base accepts H+. The acid and its conjugate base, and the base and its...
Conjugate acid-base pair : A single proton separates two molecular units. What Is Buffer Capacity and What Does It Mean? The amount of acid that buffers can absorb before breaking the capacity for adding strong acid is referred to as buffer capacity. When adding a strong acid, solutions wi...
<p>To understand conjugate pairs of acids and bases, we first need to define what a conjugate acid and a conjugate base are.</p><p><strong>Definition:</strong> 1. <strong>Conjugate Acid</strong>: A conjugate acid is a species that is formed when a base a
where HA is the acid and A- is the conjugate base. Ka = [A-][H3O+] / [HA][H2O] This is used to calculate pKa, the logarithmic constant: PKA = – log10 Ka The larger the pKa value, the smaller the dissociation of the acid and the weaker the acid. Strong acids have a pKa of...
What is the pH of 0.27 M methylammonium bromide, CH3NH3Br? (Kb of CH3NH2 = 4.4 x 10−4.) pH of a Solution: An acid-base pair conjugate is related by one being a proton donator and the other a proton acceptor. We can use this relationship by solving the co...
The solution is classified as a buffer if the molarity ratio of the weak acid-base conjugate pair is adjusted close to 1:1. Based on Le Chatelier's principle, the equilibrium must significantly shift left, such that the percent dissociation of the acid b...
so we say that it is theconjugate baseof nitric acid. Likewise, the ammonium ion is theconjugate acidof ammonia. Together, an acid with its conjugate base (such as HNO3and NO3-) or a base with its conjugate acid (such as NH3and NH4+) is referred to as a conjugate acid-base pair. ...
A solution is a homogeneous mixture in which the solute particles are so small that they cannot be filtered out and they do not scatter light. For a solution to form, there needs to be the correct combination of enthalpic (intermolecular forces) and entropic effects to enable the solvent and...
We can take any acid and label it “HA” where H is the proton associated with the conjugate base, A. In solution, HA will dissociate into a free proton, H+, and free conjugate base, A–. Using the squared bracket notation mentioned already, we can write: HA -> H+ + A– And gi...