Calculate the molarity of each of the following solutions.70.8 in 2.51 of solution
70.8 what is 2.51 what?
To calculate the molarity of a solution, you need to know the moles of solute and the volume of the solution in liters. In this case, you are given the mass of solute (70.8 g) and the volume of the solution (2.51 L).
To solve this problem, you need to follow these steps:
1. Convert the mass of solute (70.8 g) to moles using the molar mass of the substance.
- You need to know the identity of the solute to determine its molar mass. Let's assume you are dealing with a solute that has a molar mass of 100 g/mol.
- Divide the mass of solute by the molar mass to get the moles of solute: moles = mass / molar mass.
- In this case, moles = 70.8 g / 100 g/mol = 0.708 mol.
2. Calculate the molarity by dividing the moles of solute by the volume of the solution in liters.
- In this case, the volume of the solution is given as 2.51 L.
- Molarity (M) = moles of solute / volume of solution (in liters).
- Substitute the known values into the equation: M = 0.708 mol / 2.51 L ≈ 0.282 M.
So, the molarity of the solution is approximately 0.282 M.