chemistry

posted by Anonymous

Calculate the mass CaCl2 · 6 H2O needed to
prepare of 0.123 m CaCl2(aq), by using 373 g
of water.
Answer in units of g.

  1. bobpursley

    molality=moles/kgwater
    molality=mass/(kgwater*molmass)
    mass=molality*molmass*kgwater
    = .123*219.0757*.373

Respond to this Question

First Name

Your Answer

Similar Questions

  1. chemistry

    calculate the value of water that is needed to dissolve 1.11 g of CaCl2 in order to prepare a 0.0250 M CaCl2 solution?
  2. chemistry

    If 2.1 moles of CaCl2 are dissolved in enough water to make a 0.92-liter solution, what is the resulting molarity?
  3. chemistry

    Calculate the solubility of Cacl2 in g/L based on the experiement. Given 650g of CaCl2 added to 1.0L and allowed to dissolve as much as possible. While the remaining solid CaCl2 is filtered out of the solution and found to have a mass …
  4. Chemistry

    Dissolving solid CaCl2 H2O in a large volume of water is endothermic to the extent of 14.6 kj/mol. Also given: CaCl2(s)+6H2O(l)->CaCl2* 6H2O(s) delta H = -97.0 kj what is the heat of solution of anhydrous CaCl2 in a large volume …
  5. Chemistry

    Dissolving solid CaCl2 H2O in a large volume of water is endothermic to the extent of 14.6 kj/mol. Also given: CaCl2(s)+6H2O(l)->CaCl2* 6H2O(s) delta H = -97.0 kj what is the heat of solution of anhydrous CaCl2 in a large volume …
  6. chemistry

    calculate the mass percent of the following solutions 1.25 g CaCL2 in 35.0 g H2O I am not sure if i have the correct set up (1.25g CaCl2/1.25 g CaCl2 + 35.0 g H20)*100
  7. Chemistry

    How many grams of CaCl2 are needed to make 100ml of a 15% solution in water if only the dihydrated (CaCl2⋅2 H2O) salt is available?
  8. Chemistry

    How mush CaCl2, in grams, is needed to make 2.0 L of a 3.5M solution?
  9. chemistry

    1. How many grams of calcium chloride (CaCl2) are there in 600.0 mL of an aqueous solution that has a concentration of 0.450 M CaCl2?
  10. chemistry

    Calculate the mass CaCl2 · 6 H2O needed to prepare of 0.123 m CaCl2(aq), by using 373 g of water. Answer in units of g.

More Similar Questions