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Topic: Nickel (II) chloride(aq) + sodium hydroxide (aq) --> ?  (Read 67934 times)

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Offline Bel-p

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Nickel (II) chloride(aq) + sodium hydroxide (aq) --> ?
« on: May 01, 2006, 02:59:21 PM »
Nickel (II) chloride(aq) + sodium hydroxide (aq) --> ?
Is this right:

Molecular equation: NiCl2(aq) + 2NaOH(aq) --> Ni(OH)2(s) + 2NaCl(aq)
Ionic equation:       Ni 2+  &  2Cl-   &  2Na+ & 2OH-  --> Ni(OH)2(s) & 2Na+ 2Cl-

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Offline Equi

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Re: Nickel (II) chloride(aq) + sodium hydroxide (aq) --> ?
« Reply #1 on: May 01, 2006, 05:37:14 PM »
Sounds good.
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Offline constant thinker

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Re: Nickel (II) chloride(aq) + sodium hydroxide (aq) --> ?
« Reply #2 on: May 01, 2006, 08:45:32 PM »
I'll second that.
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Offline mike

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Re: Nickel (II) chloride(aq) + sodium hydroxide (aq) --> ?
« Reply #3 on: May 01, 2006, 09:30:15 PM »
Equation:

NiCl2(aq) + 2NaOH(aq) ---> Ni(OH)2(s) + 2NaCl(aq)

Ionic:

Ni2+(aq) + 2Cl-(aq) + 2Na+(aq) + 2OH-(aq) ---> Ni(OH)2(s) + 2Na+(aq) + 2Cl-(aq)

Net ionic:

Ni2+(aq) + 2OH-(aq) ---> Ni(OH)2(s)
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Offline Borek

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Re: Nickel (II) chloride(aq) + sodium hydroxide (aq) --> ?
« Reply #4 on: May 02, 2006, 03:44:59 AM »
Quote from: mike on May 01, 2006, 09:30:15 PM
Ni2+(aq) + 2OH-(aq) ---> Ni(OH)2(s)

Should be

Ni2+(aq) + 2OH-(aq) ---> Ni(OH)2(s)

(note (aq) and (s) are not subscripts!).
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Offline mike

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Re: Nickel (II) chloride(aq) + sodium hydroxide (aq) --> ?
« Reply #5 on: May 02, 2006, 06:10:11 AM »
Quote
(note (aq) and (s) are not subscripts!).

Can you please provide a reference for this :)
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Offline Borek

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Re: Nickel (II) chloride(aq) + sodium hydroxide (aq) --> ?
« Reply #6 on: May 02, 2006, 07:23:59 AM »
IUPAC Green Book, General Chemistry section, Other symbols and conventions in chemistry (2.10.1), (vi) States of aggregation.
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Offline mike

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Re: Nickel (II) chloride(aq) + sodium hydroxide (aq) --> ?
« Reply #7 on: May 02, 2006, 08:32:54 PM »
Quote
General Chemistry section, Other symbols and conventions in chemistry (2.10.1), (vi) States of aggregation.

Fantastic! Thanks Borek :) :)
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