Ammonium cyanate reacts in water to form urea. Utilizing the rate law for the reaction, forecast the amount of ammonium cyanate remaining after 90.0 minutes from a starting amount of 0.555 mol/L.
Rate law for the reaction: NH4NCO->(NH2)2CO rate = k[NH4NCO]^2.
The value of K = 0.00511 L/mol min.