Molarity Calculation for NaCl Solution

How to Calculate the Molarity of a NaCl Solution?

What is the molarity of a solution with a mass of 49.0g of NaCl and a volume of 652 mL?

Molarity Calculation for NaCl Solution

The molarity of the solution is 1.286 M.

In order to calculate the molarity of a solution with a mass of 49.0g of NaCl and a volume of 652 mL, we need to follow a few steps.

First, we must convert the mass of NaCl to moles by using the molar mass of NaCl, which is 58.44 g/mol (sodium: 22.99 g/mol, chlorine: 35.45 g/mol). Dividing 49.0g by 58.44 g/mol gives us 0.839 moles of NaCl.

Next, we convert the volume of the solution from milliliters to liters by dividing 652 mL by 1000, which equals 0.652 liters.

Finally, to calculate the molarity, we divide the moles of NaCl by the volume of the solution in liters. Dividing 0.839 moles by 0.652 liters gives us a molarity of 1.286 M for the NaCl solution.

By following these steps, we can determine the molarity of the NaCl solution accurately and efficiently. Understanding the concept of molarity and its calculation is essential in chemistry and related fields.