Mass/volume percentage calculator (% w/v)
Mass of solute, final solution volume and mass/volume percentage (% w/v), each from the other two.
Result
Awaiting the quantities required for the calculation.
Calculation, assumptions and sources
OverviewThe mass/volume percentage (% w/v), the mass of solute or the final solution volume, each from the other two.
The mass/volume percentage (% w/v), the mass of solute or the final solution volume, each from the other two.
Method & formulas% w/v = 100 × m(g) / V(mL)
% w/v = 100 × m(g) / V(mL)
x % w/v corresponds to x grams of solute per 100 mL of final solution.
- m
- mass of dissolved solute.
- V
- final volume of the solution (solute + solvent).
- % w/v
- grams of solute per 100 mL of solution.
Validity domainV is the volume of the final solution, topped up with solvent to the target volume, not the volume of solvent added before dissolution.
V is the volume of the final solution, topped up with solvent to the target volume, not the volume of solvent added before dissolution. Converting to a molar concentration requires the solute’s molar mass.
Example5 g of solute in a final volume of 100 mL gives 5 % w/v.
5 g of solute in a final volume of 100 mL gives 5 % w/v.