The exact mass of ammonium metatungstate is related to its molecular formula and purity. To determine the exact mass of ammonium metatungstate, you also need to know its exact molecular formula, purity, and the amount of crystal water that may be present. Therefore, without more specific information, it is impossible to give an exact value.
There may be many molecular formulas for ammonium metatungstate, but one of the common molecular formulas is O4W-2 (this is not a complete chemical formula, but may represent a combination of metatungstate and ammonium ion), which does not directly give its exact mass.
The CAS number of ammonium metatungstate hydrate is 12333-11-8, and its molecular weight is given as 2974.32000. This molecular weight is for ammonium metatungstate hydrate, not pure ammonium metatungstate.
In actual use, the exact mass of ammonium metatungstate will also be affected by its purity. The purity of ammonium metatungstate provided by different suppliers may be different. For example, the purity mentioned in the reference article is 99%, 99.80%, 99.9% and 99.95%. The higher the purity, the lower the impurity content, so the exact mass of ammonium metatungstate is closer to its theoretical value.
In summary, the exact mass of ammonium metatungstate depends on its molecular formula and purity. If its exact molecular formula and purity are known, its exact mass can be calculated using stoichiometric methods. In practical applications, it is recommended to refer to specific product specifications or related literature. If necessary, please visit our website or contact our sales engineer at CTIA GROUP LTD.
More details of ammonium metatungstate product, please visit website: http://ammonium-metatungstate.com/
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