Modern Chemistry, Lesson 109: Some Applications of Complexing Reactions

Duration: 30 min

Creator: Encyclopaedia Britannica Educational Corporation

Description: Explains that calcium hydroxide is dissolved by addition of an acid which combines with the hydroxide ion to form water. Sodium Thiosulfate is used to "fix" photographic film by dissolving off all undeveloped silver salts. Other complexing reactions are also shown.

Metadata Source:Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education)