vano
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Strange red molybdenum compound
Hi. Days ago i made sodium molybdate from sodium hydroxide and molybdenum trioxide, I'm sure both reagents are very pure. Accidentally i added little
bit more hydroxide next i added small amount of HCl and make white molybdate powder i dissolved it in water and i saw this red powder. Any ideas about
what it's?
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Bezaleel
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Vano, when you added your NaOH to our MoO3, was that just in dry form, or in solution? And what concentration HCl did you use?
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vano
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Posts: 661
Registered: 22-3-2019
Location: Georgia
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Quote: Originally posted by Bezaleel  | | Vano, when you added your NaOH to our MoO3, was that just in dry form, or in solution? And what concentration HCl did you use? |
Sodium hydroxide was in solution, but trioxide is very slightly soluble in water. When i pour hydroxide solution in trioxide flask then it dissolved.
When i dried it it was like soap and i added concentrated HCl, but not much, because there is no many hydroxide and this amount was enough.
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