How many moles of nacl are contained in 27.5ml of. 105 m of nacl solution?

There are a number of ways to express concentration of a solution. This includes molarity. Molarity is expressed as the number of moles of solute per volume of the solution. We calculate as follows:

0.105 mol / L (.0275 L) = 0.003 mol NaCl

Hope this answers the question. Have a nice day.