if each bottle contains 0.358 pt of mouthwash with a density of 0.876 g/ML how many kilograms of ethyl are in 114 bottles of mouthwash

Can someone me with questions 12 and 13 plz.

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit