Ammonium carbamate (NH2COONH4) is a salt of carbamic acid that is found in the blood and urine of mammals. At 250.∘C,Kc=1.58×108, for the following equilibrium: NH2COONH4(s)⇌2NH3(g)+CO2(g) If 7.80 g of NH2COONH4 is put into a 0.500-L evacuated container, what is the total pressure at equilibrium?