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Topic: Cations in NH3 and NaOH  (Read 1041 times)

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Offline Fish200398

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Cations in NH3 and NaOH
« on: March 07, 2020, 03:11:34 PM »
What are some cations that dissolve and not dissolve in NaOH and NH3?

What i know is
Zn, Pb, Al, dissolve in excess NaOH
Zn, Ca, dissolve in excess NH3

Cu, Fe doesnt dissolve in NaOH
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Offline chenbeier

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Re: Cations in NH3 and NaOH
« Reply #1 on: March 07, 2020, 03:29:38 PM »
Copper also does.
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Offline AWK

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Re: Cations in NH3 and NaOH
« Reply #2 on: March 07, 2020, 03:57:47 PM »
Quote from: Helly on March 07, 2020, 03:11:34 PM
What are some cations that dissolve and not dissolve in NaOH and NH3?

Zn, Ca, dissolve in excess NH3
Ca2+ ?

Quote
Cu, Fe doesnt dissolve in NaOH
It depends on the concentration of NaOH - in lab of analytical chemistry where NaOH is 2 to 4 M this statement is almost true.
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AWK
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