H O is prepared in the laboratory when 1 MnO2 is added to

Last updated: 7/2/2023

H O is prepared in the laboratory when 1 MnO2 is added to dilute cold H SO4 2 BaO is added to CO bubbling through cold water 3 PbO2 is added to an acidified solution of KMnO4 4 Na O is added to boiling water At certain Hill station pure water boils at 99 72 C If Kh for water is 0 513 Ckgmol