Homework Help: Chemistry

Posted by Dan on Saturday, November 7, 2009 at 7:23pm.

Could some please tell me if I did these problems correctly? (I know that I did not Cancel common aqueous ions yet)

Question:
Write the net ionic equation for the following
1)Mixing solution of barium acetate and sodium phosphate
2)Mixing solution of thallium sulphate and magnesium chloride

My answer:
1)
3Ba2+(aq)+6CH3COO –(aq)+6Na+(aq)+2PO43-(aq)=Ba3 (PO4)2(s)+6CH3COO –(aq)+2Na3+ (aq)

2)
2Ti+(aq)+SO42–(aq)+Mg2+(aq)+2Cl–(aq) =2TiCl (s)+SO4-2(aq)+Mg-2(aq)

Thank you

Chemistry - bobpursley, Saturday, November 7, 2009 at 8:02pm
I thought thallium sulfate is soluble. Check that.
Chemistry - Dan, Saturday, November 7, 2009 at 8:47pm
I thought I put it as soluble, because I broke it up to 2Ti+(aq)and SO42–(aq. Correct me if I'm wrong. Is the rest okay?
Chemistry - DrBob222, Saturday, November 7, 2009 at 11:35pm
You have a real problem with thallium. You are using Ti and that's titanium. See Tl here.
http://www.webelements.com/thallium/

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