Mass Percent Calculator

Your details

Choose how you know the mixture. The calculator rearranges the formula automatically.
The mass of the single ingredient or solute you are measuring.
g
The combined mass of every component including the one above.
g
Mass percentMinor component
4.76%
Rest of mixture95.24%

This component makes up 4.76% of the mixture by mass.

  • Mass percent is the component mass divided by the total mass, then multiplied by 100.
  • The total mass must include the component itself, solute plus solvent, not just the solvent alone.
  • The remaining 95.24% is everything else in the mixture combined.

Next stepFor a dissolved solid, divide the component mass by the molar mass to convert this into molarity.

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