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Topic: Please help me ,my mind will explode {qualitative analysis of anions}  (Read 2227 times)

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Offline Ahmed Hashem

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Please help me ,my mind will explode {qualitative analysis of anions}
« on: October 31, 2013, 11:55:59 AM »
In qualitative analysis of anions,
although phosphate and borate don't effect by any acid why barium phosphate(Ba3(PO4)2) and barium borate(Ba(BO2)2) are soluble in dil. nitric acid ???
« Last Edit: October 31, 2013, 07:00:56 PM by Arkcon »
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Offline Borek

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Re: Please help me ,my mind will explode
« Reply #1 on: October 31, 2013, 12:07:18 PM »
Please don't abuse formatting, we can read your post without large font quite well.

What happens to weak acids in low pH?
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Offline Ahmed Hashem

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Re: Please help me ,my mind will explode
« Reply #2 on: October 31, 2013, 01:00:41 PM »
in qualitative analysis of anions we classify them as
affect by dil.Hcl :carbonates and bicarbonates and etc
affected by Conc. H2SO4 :chloride and etc
not affected by any acids such phosphate and borates and sulphates but i found that barium borate soluble in dil.nitric acid ? so why we consider borate doesn't affect by acid also phosphate
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Offline Ahmed Hashem

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Re: Please help me ,my mind will explode
« Reply #3 on: October 31, 2013, 01:12:04 PM »
and i don't understand about what happen when weak acid put in low PH ?
are you mean that strong acid replace weak acid or what ???
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