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Kopite:
a question asks to draw

Cu(NH3)4(H20)2S04

the answer displays the NH3 and H20 molecules, but not the S04. Y?????

thanks

ninwa:

--- Quote from: "Kopite" ---a question asks to draw

Cu(NH3)4(H20)2S04

the answer displays the NH3 and H20 molecules, but not the S04. Y?????

thanks
--- End quote ---


I think I remember that one. Did it ask you to draw the complex ion, or the whole thing? Because the complex ion doesn't include the SO4

principe:
I think I've seen this question before as well. Let me search my exams ...

Kopite:

--- Quote from: "ninwa" ---
--- Quote from: "Kopite" ---a question asks to draw

Cu(NH3)4(H20)2S04

the answer displays the NH3 and H20 molecules, but not the S04. Y?????

thanks
--- End quote ---


I think I remember that one. Did it ask you to draw the complex ion, or the whole thing? Because the complex ion doesn't include the SO4
--- End quote ---


yeah just the complex ion, so what would the overall molecule look like with the so4??

also got another question

write the balanced full equation for

solid sodium oxide reacting with dilute sulfuric acid

the sodium goes from NA20====> NaS04

y doesn't the oxidation state change?? i thought NA2 was supposed to act as a base, and accept protons???

ninwa:

--- Quote from: "Kopite" ---
yeah just the complex ion, so what would the overall molecule look like with the so4??

also got another question

write the balanced full equation for

solid sodium oxide reacting with dilute sulfuric acid

the sodium goes from NA20====> NaS04

y doesn't the oxidation state change?? i thought NA2 was supposed to act as a base, and accept protons???
--- End quote ---


Don't know. They won't ask you to draw a complex ion as well as the other ion together. Well I hope not anyway otherwise I'm screwed :P

Sodium oxide is a basic oxide. Thus when it reacts with an acid, it forms a salt and water.

Na2O + H2SO4 ---> Na2SO4 + H2O

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