Определите функции инфинитива в последующих предложениях: 1. The process to convert

Обусловьте функции инфинитива в последующих предложениях: 1. The process to convert substances into other substances is very important. 2. There are many reasons to study chemistry. 3. То get salts you have to know some methods of preparing salts. 4. It is possible to get a good knowledge of chemistry by learning theoretical chemistry and carrying out practical work. Эталон исполнения: Тhe best way to determine the amount of material in a sample of a solid is to weight it on a balance. to determine - инфинитив в функции определения to weigh - инфинитив в функции составной доли глагольного сказуемого.