Acidic Salts
Acidic Salts - Related Videos
04:08
Determining the pH of Salt Solutions
0 Views •
2020
The pH of a salt solution is determined by its component anions and cations. Salts that contain pH-neutral anions and the hydronium ion-producing cations form a solution with a pH less than 7. For example, in ammonium nitrate (NH4NO3) solution, NO3− ions do not react with water whereas NH4+ ions produce the hydronium ions resulting in the acidic solution. In contrast, salts that contain pH-neutral cations and the hydroxide ion-producing anions form a solution with a pH greater than 7. For...
02:02
Responses to Salt Stress
0 Views •
2020
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients. Plant cell cytoplasm has a high solute concentration, which causes water to flow from the soil into the plant due to osmosis. However, excess salt in the surrounding soil increases the soil solute concentration, reducing the plant’s ability to take up water. High levels of...
11:16
Hydrophobic Salt-modified Nafion for Enzyme Immobilization and Stabilization
0 Views •
Cited by 23 •
2012
This article will describe the procedure for synthesizing a hydrophobically modified Nafion enzyme immobilization membrane and how to immobilize proteins and/or enzymes within the membrane and test their specific activity.
09:58
Metal-free Synthesis of Ynones from Acyl Chlorides and Potassium Alkynyltrifluoroborate Salts
0 Views •
Cited by 3 •
2015
The goal of this manuscript is to demonstrate a straightforward method for the preparation of ynones from acyl chloride and potassium alkynyltrifluoroborate salt starting materials. The one-pot reaction proceeds rapidly in the presence of boron trichloride without exclusion of air and moisture.
02:50
An Assay to Study Bile-Salt Induced Biofilm Formation through EPS Matrix Detection
0 Views •
2025
This video demonstrates a fluorescence-based method for quantifying bile salt-induced biofilm formation. Upon the addition of bile salts in the culture of a pathogenic enteric bacteria, biofilm production is detected using a fluorescent lectin that binds to the polysaccharides in the extracellular polymeric substance (EPS) matrix of the biofilm.
FAQs
The key structural clue is the hydrogen-bearing anion. When neutralization stops before every replaceable proton is removed, the resulting ion retains hydrogen, as in HCO3−, HSO4−, or H2PO4−. That retained hydrogen connects the salt’s composition to later proton donation in water, so stoichiometric neutralization determines which acidic-salt species is produced.
Their anions may donate a proton to water, or they may undergo hydrolysis, meaning a reaction with water that changes the ionic balance. These pathways determine how the solution’s acidity changes after dissolution. Consequently, the presence of hydrogen in the anion identifies a possible proton source, but the observed pH depends on the anion’s behavior in water.
Polyprotic acids contain multiple replaceable acidic protons, so the amount of base added controls how far neutralization proceeds. Removing only part of the available hydrogen leaves a particular hydrogen-containing anion. Further neutralization would change that ionic composition. This relationship makes reaction stoichiometry essential for predicting whether HCO3−, HSO4−, or H2PO4− remains in the salt.
First, they consider the polyprotic acid and count how many acidic protons the base removes. Next, they determine which hydrogen-containing anion remains after that partial neutralization, then pair it with the counterion supplied by the base. The resulting formula indicates whether the salt contains anions such as bicarbonate, bisulfate, or dihydrogen phosphate.
These compounds contain different hydrogen-bearing anions and, in one case, a different positive ion. Sodium bicarbonate contains HCO3−, sodium bisulfate contains HSO4−, and potassium dihydrogen phosphate contains H2PO4−. Because the anions differ, their proton-donation or hydrolysis behavior in water can differ, giving each compound distinct relevance in controlling acidity.
Acidic salts contribute to buffer systems, where their proton-related behavior helps support control of acidity. They also appear in analytical chemistry and food chemistry, linking ionic composition with practical handling of acidic conditions. Potassium dihydrogen phosphate additionally illustrates their role in fertilizers, while the broader topic connects neutralization stoichiometry with solution behavior.