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Write the balanced net ionic equations for the following unbalanced reactions in

ID: 944255 • Letter: W

Question

Write the balanced net ionic equations for the following unbalanced reactions in water (use electrolyte & solunility rules)

a) HCL + NaOH ----> H2O + NaCl

b) K2CO3 + CuSO4 ----> ? + ?

c) Zn(s) + HNO3 --------> Zn(NO3)2 + H2(g)

d) Na2CrO4 + KOH -----> ? +?

e) HNO2 + NaOH ------> H2O + NaNO2

f) NH3(aq) + HCl -----> NH4Cl

g)HCl + NaCH3OC2 ----> CH3CO2H + NaCl

h) HCl + Na2SO3 -------> SO2(g) + H2O(l) + NaCl

i) HCl + NaHCO3 ----> ? +? +?

j) HNO3 + Na2CO3 -----> ? +?

k) Al(NO3)3 + Na2S----> ? +?

l) NaCl + AgNO3 -----> ? + ?

m) Ba(NO3)2 + K2SO4 -----> ? +?

n) Cd(NO3)2 + Na3PO4 -----> ? + ?

o) NH4Cl + NaOH -----> ? + NH3(g) + H2O(l)

Explanation / Answer

a) HCl(aq) + NaOH(aq) ----> H2O(l) + NaCl(aq)

Net ionic : H+(aq) + OH-(aq) ---------> H2O(l)

b) K2CO3(aq) + CuSO4(aq) ----> K2SO4(aq) + CuO(s) + CO2(g)

Net ionic : CO3 2-(aq) + Cu2+(aq) -----------> CuO(s) + CO2(g)

c) Zn(s) + 2HNO3(aq) --------> Zn(NO3)2(aq) + H2(g)

Net ionic : Zn(s) + 2H+(aq) ----------> Zn2+(aq) + H2(g)

d) K2Cr2O7(aq) + 4NaOH(aq) --------->2Na2CrO4(s)+ 2KOH(aq)+ H2O(l)

Net ionic : Cr2O7 2-(aq) + 4Na+(aq) + 2OH-(aq) -----------> 2Na2CrO4(s) + H2O(l)

f) NH3(aq) + HCl(aq) -------> NH4Cl(aq)

Net ionic : NH3(aq) + H+(aq) ----------> NH4+(aq)

j) 2HNO3(aq) + Na2CO3(aq) -----> 2NaNO3(aq) + CO2(g) + H2O(l)

Net ionic : 2H+(aq) + CO3 2-(aq) ------------> CO2(g) + H2O(l)