问答题 Calculate the value of the equilibrium constant for the reaction A+ B====C+D
   If at equilibrium there are 1.0 mol of A,2.0 mol of B, 6.0 mol of C,and 20 mol of D in al. 0 L vessel.
【正确答案】K=[C][D]/[A][B]=(6.0 mol/L)(20 mol/L)/(1.0 mol/L) (2.0mol/L) =60
【答案解析】