2. Free Ncert Solutions
  3. 9th Class
  4. Science
  5. Is Matter Around Us Pure

9th Class Science Is Matter Around Us Pure

  • question_answer 63)
      Calculate the mass of sodium sulphate required to prepare its 20% (mass per cent) solution in 100 g of water?

    Answer:

      In the given question, mass% of sodium               sulphate solution = 20% Mass of the solvent = 100 g Let the mass of solute (sodium sulphate) Applying the formula,                 Mass of sodium sulphate = 25 g


You need to login to perform this action.
You will be redirected in 3 sec spinner