Write a balanced chemical equation for the reaction of aqueous solutions of potassium sulfide and nitric acid.
a) K2S(aq) + 2HNO3(aq) > H2S(g) +2 KNO3(aq)
b) K2S(aq) + 2HNO3(aq) > S(s) +H2(g) + 2KNO3(aq
c) K2S(aq) + HNO3(aq) > HS(g) + K2NO3(aq)
d) K2S(aq) + 2HNO3(aq) > 2K(s) + H2(g) + S(NO3)2(g)
e) K2S(aq) + 2HNO3(aq) > 2KH(aq) + S(NO3)2(g)
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