Hydrogen sulfide decomposes according to the following reaction, for which K_c = 9.30 times 10^-8 at 700 degree C: 2H_2S(g) 2H_2(g) + S_2(g) If 0.45 mol of H_2S is placed in a 3.0-L container, what is the equilibrium concentration of H_2(g)at 700 degree C?