Post a New Question


posted by .

The bottle of hydrogen peroxide from the store says it is a 3% solution by mass. What is its molal concentration?

  • chemistry -

    3% by mass means 3 g H2O2 and 97 g H2O.
    3 g H2O2 = ?? mols. mols =g/molar mass
    Then molality = mols/kg solvent. Post your work if you need additional assistance.

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question