How many moles of ammonia can be produced when 2.50 moles of hydrogen react?

Now consider the reaction when 45.0 g naoh have been added. what amount of naoh is this, and what amount of fecl3 can be consumed by it?

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

In which situation can a mixture always be called a solution