Homework question

Question

How to solve the mass of a substance in 500ml of another solution, knowing the substance’s molar mass?

Answer 1

You need to know the concentration (molarity) of the solution in order to answer this question. If you know the concentration then you can use the formula M = mol of substance/ vol of solution (in liters). Solve for the "mol of substance" term.

mol of substance = M x vol of solution

Once you know the moles of substance you can multiply by the molar mass to get the mass of substance. But like I said earlier, the problem isn't solvable without knowing the concentration of the solution.