The water solubility of ammonium metatungstate is as follows:
Solubility range
The solubility of ammonium metatungstate is affected by temperature. At 20°C, its solubility in water is less than 2%, which means that in 100ml of water, the maximum solubility of ammonium metatungstate is less than 2g. But in general, ammonium metatungstate is a substance that is easily soluble in water, and its solubility of 300g/100ml in water indicates that it has a high solubility.
Temperature effect
Temperature is one of the important factors affecting the solubility of ammonium metatungstate. Generally speaking, an increase in temperature will increase the solubility, while a decrease in temperature will reduce the solubility.
Other influencing factors
In addition to temperature, factors such as the pH value of the solution, the type of solvent (for example, the solubility of ammonium metatungstate in water is higher than that in ethanol) and pressure may also affect the solubility of ammonium metatungstate. However, it should be noted that since the solubility of ammonium metatungstate is usually very high, the effect of pressure is small and is usually not considered as the main factor.
In summary, ammonium metatungstate has good water solubility, and its solubility in water is affected by factors such as temperature, pH value, and solvent type. When preparing and using ammonium metatungstate, it is necessary to fully consider the effects of these factors on solubility to ensure its stability and use effect in aqueous solution.
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