College Chemistry

posted by .

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

  • College Chemistry -

    15% what? 15% w/w, w/v? If 15% w/v, then that means 15 g BaCl2 in 100 mL solution; therefore, for 250 mL you will need
    15g x (250/100) = ??

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Grade 11 Chemistry!

    10% (m/m) sodium hydroxide solution, NaOH, is used to break down wood fibre to make paper. a) What mass of solute is needed to make 250mL of 10% (m/m) solution?
  2. Chemistry

    How many grams of NaCL are required to make 250ml of a 0.4M solution?
  3. Chemistry please help!

    Please help. I have no idea how to do these 4 homework problems. 1- How many milliliters of 0.140 M HCl are needed to completely neutralize 42.0mL of 0.106 M Ba(OH)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

    10% (m/m) Sodium Hydroxide solution, NaOH(aq) is used to break down wood fibre to make paper. A) What mass of the solute is needed to make 250mL of 10% (m/m) solution?
  6. Chemistry

    Calculate the solid needed to make a 250ml solution that is 0.34M in sodium cation, using sodium sulfate decahydrate. I came up with 13.685g. but how do I make that into 250ml of a solution that is0.34M in sodium cation?
  7. chemistry

    How many grams of NH2OH are needed to prepare 250mL of a solution with a pH of 9.56?
  8. Chemistry

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

    1. In order to make 250mL of a 0.100 M HNO3 solution from a 15.9 M stock solution, then _____mL if the 15.9 M stock HNO3 solution is needed. M1V2=M2V2, solve for V2. (0.100M * 250mL)/ 15.9M = 1.6mL V2-V1=V 1.6mL-250= -248.4 Did I do …
  10. Chemistry

    How many grams of 10% wt BaCl2 solution will be necessary to produce 5.6g BaCl2?

More Similar Questions