某對峙反應(yīng),已知在某溫度下k1=0.006min-1,k2=0.002min-1。若反應(yīng)開始時只有A,濃度為1mol/L,
某物質(zhì)按一級反應(yīng)進行分解,已知反應(yīng)完成40%需時50min,試求: