Solubility of weak acid salts of aluminum and silver

In summary, the solubility of weak acid salts of aluminum and silver can vary depending on the specific salt and its concentration. These salts generally have low solubility in water due to the weak acid nature of their anions. The solubility is highly dependent on pH, with low pH decreasing solubility due to the formation of insoluble complexes and high pH increasing solubility due to the formation of soluble hydroxides. Factors such as temperature, pH, and the presence of other ions in the solution can also influence solubility. These salts have various applications in industries such as water treatment, pharmaceuticals, and photography, as well as in analytical chemistry for detection and quantification. When handling these salts, it is
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cuallito
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TL;DR Summary
What weak acid makes a soluble salt with aluminum, but not silver.
I'm curious what weak acids will form soluble salts with aluminum, but not silver.

From a solubility chart (https://www.flinnsci.com/globalasse...901etc.jpg?v=cc7f986a028e4adf833ea6341200add2), HCl, HBr, and HI will form soluble aluminum salts, but not with silver; however, those are strong acids.

I don't see any anions from weak acids that make soluble aluminum salts, but insoluble silver salts. Are there any?
 
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  • #2
After perusing the CRC, looks like thiocyanic acid fits the bill. CRC is great for questions like that.
 
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FAQ: Solubility of weak acid salts of aluminum and silver

What are weak acid salts?

Weak acid salts are compounds that are formed when a weak acid, such as acetic acid, reacts with a base, such as sodium hydroxide. These salts have a relatively low solubility in water and do not completely dissociate into ions.

How does the solubility of weak acid salts of aluminum and silver differ from other salts?

The solubility of weak acid salts of aluminum and silver is lower than that of other salts because these metals form insoluble hydroxide compounds in water. These hydroxide compounds act as a barrier, preventing the weak acid salts from completely dissolving in water.

What factors affect the solubility of weak acid salts of aluminum and silver?

The solubility of weak acid salts of aluminum and silver is affected by the pH of the solution, the concentration of the salt, and the presence of other ions in the solution. Higher pH levels and higher concentrations of the salt can increase solubility, while the presence of other ions can decrease solubility.

How does temperature affect the solubility of weak acid salts of aluminum and silver?

The solubility of weak acid salts of aluminum and silver generally increases with increasing temperature. This is because higher temperatures provide more energy for the particles to overcome the attractive forces between them and dissolve into the solution.

What are some practical applications of studying the solubility of weak acid salts of aluminum and silver?

Understanding the solubility of weak acid salts of aluminum and silver is important for various industries, such as pharmaceuticals, agriculture, and water treatment. It can also help in the development of more effective corrosion inhibitors and in the production of certain chemicals. Additionally, this knowledge is essential for understanding the environmental impact of these salts and their potential to contaminate water sources.

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