# Is silver carbonate soluble?

Mar 3, 2017

No.

#### Explanation:

Silver carbonate, ${\text{Ag"_2"CO}}_{3}$, is considered insoluble in water because you can only dissolve a very, very small amount of this salt in $\text{1 L}$ of water at room temperature.

According to Wikipedia, silver carbonate has a solubility of ${\text{0.032 g L}}^{- 1}$ at ${25}^{\circ} \text{C}$.

https://en.wikipedia.org/wiki/Silver_carbonate

This means that at ${25}^{\circ} \text{C}$, you can only hope to dissolve $\text{0.032 g}$ of silver carbonate in $\text{1 L}$ of water. In other words, at ${25}^{\circ} \text{C}$, a saturated solution of silver carbonate will contain $\text{0.032 g}$ of dissolved salt for every $\text{1 L}$ of water.

As a general rule, carbonates are only soluble if they contain alkali metal cations, i.e. cations of group 1 metal, or the ammonium cation, ${\text{NH}}_{4}^{+}$.