Why air passed through sodium hydroxide solution and silicon dioxide during the industrial preparation of oxygen from air.

Which of the following is most likely true about water in chemical solutions?

What type of organic molecule comprises the majority of a potato?

What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j