List ten methods in separating mixture

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

What are the chemical names of these compounds? ke: mg3n2: reset next

The student repeated the experiment using a higher concentration of acid. the same volume of acid and the same mass of magnesium ribbon were used. what volume of hydrogen gas would have been produced after 60 seconds?