Question:

Double displacement... Complete and balance them....

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a) CuSO4(aq) Zn(NO3)2(aq)=???? b)Na2CO3(aq) NH4Cl(aq)=???? c) NaOH(aq) AgNO3(aq)=????? d)FeCl3 NaOH(aq)=???????? e) CuSO4(aq) NaOH(aq)=?????

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  1. since the plus sign doesn't appear, i'll use ~.

    a) CuSO4(aq) Zn(NO3)2(aq)=????

    = CuSO4(aq) ~ Zn(NO3)2(aq) = Cu(NO3)2 ~ ZnSO4

    b)Na2CO3(aq) NH4Cl(aq)=????

    = Na2CO3(aq) ~ 2NH4Cl(aq) = (NH4)2CO3 ~ 2NaCl

    c) NaOH(aq) AgNO3(aq)=?????

    NaOH(aq) AgNO3(aq)= NaNO3 ~ AgOH (not sure about this.)

    d)FeCl3 NaOH(aq)=????????

    FeCl3 ~ 3NaOH(aq)= Fe(OH)3 ~ 3NaCl

    e) CuSO4(aq) NaOH(aq)=?????

    CuSO4(aq) ~ 2NaOH(aq)= Na2SO4 ~ Cu(OH)2


  2. a. Cu(NO3)2 + ZnSO4

    b.(NH4)2CO3 + 2NaCl

    c. NaNO3 + AgCl

    d. Fe(OH)3 + 3NaCl

    e. Cu(OH)2 + Na2SO4

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