September 22, 2019, 09:00:26 PM
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Topic: what is the required weight from sodium molybdate ?  (Read 410 times)

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Offline kiloa

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what is the required weight from sodium molybdate ?
« on: April 17, 2019, 03:32:39 PM »
dear all,
if you need 70g sodium molybdate for preparing certain reagent but i have ammonium molybdate instead of sodium molybdate ....how can i calculate the required weight of ammonium molybdate ?

Offline sjb

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Re: what is the required weight from sodium molybdate ?
« Reply #1 on: April 17, 2019, 04:45:30 PM »
What do you need it for? It might be that you can't easily swap as you suggest.

Offline kiloa

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Re: what is the required weight from sodium molybdate ?
« Reply #2 on: April 17, 2019, 10:44:25 PM »
i used one of them to precipitate phosphorus as Phosphomolybdate ,so the molybdate is required component

Offline kiloa

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Re: what is the required weight from sodium molybdate ?
« Reply #3 on: April 19, 2019, 10:25:23 AM »
any help ??!!

Offline Borek

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Re: what is the required weight from sodium molybdate ?
« Reply #4 on: April 19, 2019, 10:44:22 AM »
Hint: use equimolar amount.
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Offline kiloa

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Re: what is the required weight from sodium molybdate ?
« Reply #5 on: April 19, 2019, 04:05:42 PM »
what do you mean ?

Offline Borek

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Re: what is the required weight from sodium molybdate ?
« Reply #6 on: April 19, 2019, 05:37:59 PM »
No matter which salt you use, you need the same number of moles.
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Offline kiloa

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Re: what is the required weight from sodium molybdate ?
« Reply #7 on: April 20, 2019, 06:38:22 AM »
yes yes , i have known what you do mean ... thanks so much

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