Answer:
d i dont now but im sure my answer is d im not good to write english word
Answer:
a. because it is an element
Explanation:
its pure because it only has one type of atom, making it an element
Molarity is expressed as the number of moles of solute per volume of the solution. For example, we are given a solution of 2M NaOH this describes a solution that has 2 moles of NaOH per 1 L volume of the solution. Acids and bases can be measured through the concentrations of H+ and OH- ions in units of molarity. Hope this helps.
The answer would be A from what I know