chemistry

posted by .

How many grams of NH2OH are needed to prepare 250mL of a solution with a pH of 9.56?
kb=6.6x10^-9

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. chemistry

    how many grams of 5%NaNO3 will be required to prepare 250ml solution
  2. College Chemistry

    How many grams of BaCl2 are needed to make a 250mL of 15% solution?
  3. Pharm Tech

    how many milliliters of a 5% stock solution are needed to prepare 250ml of a 2% solution?
  4. Chemistry

    Can someone please check my work? Calculate the mass of (NH4)2S2O8 needed to prepare 250mL of a 0.100M solution. I got 5.705 g. Calculate the volume of 2.00M KI needed to prepare 250mL of a 0.200M solution. I got 0.025L or 25mL. Calculate
  5. chemistry

    Calculate the number of grams of h2c2o4.2h2o needed to prepare exactly 250mL of a 0.200 N solution of the acid?
  6. Chemistry

    How many grams of Na3PO4 are needed to produce 250mL solution that has an Na concentration of 1.04M?
  7. Chemistry

    You are a work study student in our chemistry department. Amy, your supervisor has just asked you to prepare 250ml of 2.00M H2SO4 solution for tomorrow's undergraduate experiment. The Stock Solutions cabinet is under the Stockroom …
  8. Chemistry

    How many moles of potassium sulfate would you need to prepare 1200 grams of 5.0% sulfate (m/m) solution?
  9. science

    number of grams of MgCl2 needed to prepare a 250ml of a 12% aqueous solution with 1.1g/ml density
  10. Science

    How many grams of NaOH will be needed to prepare 250ml of 0.1M solution:-

More Similar Questions