Question:

Double displacement... Complete and balance them plzzz

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a) NaCl(aq) AgNO3(a)=??? b) Na2CO3(aq) HCl(aq)=??? c) NaOH(aq) HCl(aq)=??? d) BaCl2(aq) H2SO4(aq)=?? f) NaOH(aq) H2SO4(aq)=???

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  1. No, sorry, this is too tricky for me. You need to talk to your teacher about this one.


  2. a) NaCl (aq) + AgNO3 (aq) = NaNO3 (aq) + AgCl (s)

    b) Na2CO3 (aq) + 2HCl (aq) = 2NaCl (aq) + H2CO3 (aq)

    c) NaOH (aq) + HCl (aq) = NaCl (aq) + H2O (l)

    d) 2BaCl2 (aq) + 2H2SO4 (aq) = 2BaSO4 (??) + 4HCl (aq)

    Because of barium sulfate's poor solubility I think it may be (s)

    f) 2NaOH (aq) + H2SO4 (aq) = Na2SO4 (aq) + 2H2O (l)

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