If you need the actual textbook rather than just the answers, you can find the electronic version at Litres.ru or via the Prosveshchenie Media Library .
The most comprehensive source for solutions to this textbook is GDZ.ru , which covers the basic level and includes versions from various years (2015–2018). If you need the actual textbook rather than
Химия. 11 класс. Базовый уровень, О. С. Габриелян - Litres.uz If you need the actual textbook rather than
: Periodic laws and the structure of elements. Chemical Bonds : Types of bonds and molecular structures. Reactions : Classification and equations. If you need the actual textbook rather than
: General properties and their roles in nature and industry. Types of GDZ for this Course
: For filled-in tables and test assignments.