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Chemistry Help needed!:-(

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Naruto:
hello
Can anyone tell me how to make an ionic equation?

And what will be the ionic equation of the following:-

1) 2NaOH + H2SO4 ---> Na2SO4 + 2H2O

2) CuSO4(aq) +2NaOH(aq) ---> Cu(OH)2(s) + Na2SO4(aq)

3) MgCO3 + H2SO4 ---> MgSO4 + H2O + CO2

emi:
if its an alkali reacting with strong acid the ionic equation will be

OH(negative)+H(positive)-----> H2O
this one is for the first one

im not sure about the rest ,  but here is one more thing

ionic equation for any ammonium salt reacting with alkali  is -->
NH4(+) + OH(-) -----> NH3+H2O

Naruto:
Thanks emi :) so you mean that for a particular reaction ( like acid reacting with metal) the ionic equation will always be the same.. no matter what the reactants are?

And can anyone help me out with the rest of the equations and tell me the way to work out the ionic equation... i would be grateful.
Thanx

hyebyekadal:
im not so sure of ammonium and alkali...
hm...

emi:
yes for strong alkali + strong Acid the ionic Equation will always be the same  which is
OH(negative)+H(positive)-----> H2O

same goes for the ammonium salts reacting with alkali
NH4(+) + OH(-) -----> NH3+H2O

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