What is the molarity of a solution made of 2.5 moles of #KNO_3# in 5 L of water?

1 Answer
Mar 17, 2016

Answer:

#"Molarity"# #=# #0.50# #mol*L^-1#

Explanation:

#"Molarity"# #=# #("Moles of solute")/("Volume of solution (L)")#

#=# #(2.50*mol)/(5*L)# #=# #0.50# #mol*L^-1#.

The volume of the solution formed when such a quantity of potassium nitrate is dissolved in #5# #L# of solvent would remain at #5# #L#, or so close that the difference is negligible.