What is the molarity of .50 mol of #MgCl_2# in 1.5 L of solution? Chemistry Solutions Molarity 1 Answer Nick · Ernest Z. Aug 17, 2016 Answer: 0.33 M Explanation: Molarity is just moles per liter. #M = "moles"/"liters"# You have 0.50 mol in 1.5 L. #M = "0.50 mol"/"1.5 L"# #M = 0.33color(white)(l) M# For more information on moles and molarity check out this blog post. Related questions what is the molarity of 20.0 ml of a KCl solution that reacts completely with 30.0 ml of a 0.400 M ... How can molarity and osmolarity be calculated from mass per unit volume? How can molarity be used as a conversion factor? How high can molarity be? How does molarity change with temperature? How do you find molarity of a solution? What is the molarity of 10 NaOH? What is the molarity of 3 hydrogen peroxide? What is the molarity of a solution that contains 3.2 mol of solute in 0.98 L of solution? What is molarity? See all questions in Molarity Impact of this question 763 views around the world You can reuse this answer Creative Commons License