Chemistry chemical equation help
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Chemistry chemical equation help

[From: ] [author: ] [Date: 12-01-13] [Hit: ]
chart Fe3+ and OH- create a solid.-- Balanced Ionic Eq.Since Fe(OH)3 reaction creates a precipitate it cannot completely dissociate like NaCl since its an aqeous solution.-- Balanced Net Ionic Eq.......
For each reaction
1. Balanced molecular equation
2. Identify the precipitate
3.Write a balanced ionic equation, showing all dissolved species as ions and all precipitates as molecules
4. Write balanced net ionic equation

A. NaOH+FeCl3----->
B.KOH + FeCl3---->
C.NaOH+CO(NO3)2---->
D. KOH+ CO(NO3)2---->
E.COCl2+NaOH----->


I have no idea what im supossed to do.

-
Things that you will need to solve each of these :

-- 1. Periodic table with ion charges; for example : http://www.sciencegeek.net/tables/PT_ion…
-- 2. Solubility chart : http://intro.chem.okstate.edu/1515SP01/D…

I will only show you how to do the first problem that way you can figure out the others :)

-- Balanced Molecular Eq.

NaOH (aq) + FeCl3 (aq) ----->3 NaCl (aq) + Fe(OH)3 (s)

The Fe(OH)3 (s) is the precipitate because according to the solubility
chart Fe3+ and OH- create a solid.

-- Balanced Ionic Eq.

3Na+ (aq) + 3OH- (aq) + Fe3+ (aq) + 3Cl- ----> 3Na+ (aq) + 3Cl- (aq) + Fe(OH)3 (s)

Since Fe(OH)3 reaction creates a precipitate it cannot completely dissociate like NaCl since it's an aqeous solution.

-- Balanced Net Ionic Eq.

3OH- (aq) + Fe3+ (aq) ---> Fe(OH)3 (s)

Hope this helps
1
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