Answer
(a) H$_{2}$SO$_{4}$ (aq) + NaHCO$_{3}$ (s) → Na$_{2}$SO$_{4}$ + H$_{2}$O + CO$_{2}$
SO$^{2-}_{4}$ + Na$^{+}$ → Na$_{2}$SO$_{4}$
(b) HNO$_{3}$ (aq) + CaS(s) →Ca(NO$_{3}$)$_{2}$ + S + NO$_{2}$ + H$_{2}$O
Ca$^{2+}$ + NO$^{-}_{3}$ →Ca(NO$_{3}$)$_{2}$
(c) HCl(aq) + Na$_{2}$SO$_{3}$ (aq) → H$_{2}$O + NaCl + SO$_{2}$
Na$^{+}$ + Cl$^{-}$ → NaCl
Work Step by Step
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