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Topic: Barium Oxide  (Read 8041 times)

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Offline jackfiore

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Barium Oxide
« on: April 26, 2011, 03:52:12 PM »
Is it soluble? I know almost all oxides are soluble apart from calcium oxide, and the alkali metal oxides, but is barium oxide the other one?
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Offline darko

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Re: Barium Oxide
« Reply #1 on: April 26, 2011, 04:49:37 PM »
I persume that you think of soluble in water, try to find some answers about handling and storage of BaO, ok , you give something, yes it is other one.

BaO + H2O -> Ba(OH)2
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Offline rabolisk

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Re: Barium Oxide
« Reply #2 on: April 26, 2011, 04:59:14 PM »
No. It is magnesium oxide (hydroxide) that is insoluble. Barium is quite soluble.
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Offline darko

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Re: Barium Oxide
« Reply #3 on: April 27, 2011, 02:11:30 AM »
Quote from: darko on April 26, 2011, 04:49:37 PM
, yes it is other one.

BaO + H2O -> Ba(OH)2

sorry, mistake, it should be :, yes it is not other one.

as shown in reaction, thank you rabolisk
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Offline vmelkon

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Re: Barium Oxide
« Reply #4 on: April 29, 2011, 12:47:49 PM »
Mg(OH)2 = 1.2 mg/100 mL (25 °C)
Ca(OH)2 = 0.173 g/100 mL (20 °C)
Sr(OH)2 = 1.77 g/100 mL (20 °C)
Ba(OH)2 = 3.89 g/100 mL (20 °C)

solubility seems to go up as you go down the alkali earth metal group.
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