Chemistry

posted by .

How many mg of Ca^2+ are in one mEq?
What I did was
mg = mEq x mol weight / valence
mg = 1 x 40.078/ 2 = 20 mg

Is this correct?

  • Chemistry -

    It looks ok to me although I did it another way.
    !eq = 40/2 = 20 g
    1 meq = 0.020 g = 20 mg.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. chemistry

    Given: [SO4^2-] in a 0.2M NA2SO4 solution How do I express this in meq/l?
  2. Statistics

    I need help on this one too. Any one willing to get me started?
  3. Statistics

    I need help on this one too. Any one willing to get me started?
  4. math

    You're asked to add 15 mEq of potassium chloride per 100 mL of Normosol. Potassium chloride is available as 20 mEq/ 10mls. The amount of Potassium chloride needed for a 3 L bag of Normosol would be ?
  5. chemistry

    hey guys im stumped and burning out. Its mid term time. I got 5 midterms and lab test. i think im making this more complex than needed what is 10mg/dL Ca in mEq/L can u show me a simple way using the valence ?
  6. Pharmacy math

    calculate the ordered medication for each of the following IV bags to achieve the ordered concentration Ordered: Add 30 mEq KCl per L of IV fluid. On hand: 360 mL IV solution. On hand is KCl 2 mEq / mL Add: ______mEq; ___ mL Ordered: …
  7. College Biology

    A 21-year old brother of a person with insulin-dependent diabetes mellitus experienced increased urination and thirst for 6 weeks, along with a 15 pound weight losss, despitre a normal appetite. Fearing that these symptoms meant he …
  8. chemistry

    A solution contain 43mEq/L of Cl- and 11 mEq/L of HPO4*2-. If the only cation in the solution is Na+ what is the Na+ concentration if mEq/L?
  9. chemistry

    A 0.4671g sample containing sodium bicarbonate was titirated with hcl requiring 40.72ml. The acid was standardized by titrating 0.1876g of sodium carbonate FW 106mg/mmol requiring 37.86ml of the acid. Find the percentage of nahc03 …
  10. chemistry

    A solution contains 2 mEq/ml of KCL (Molecular weight 74.5). If a 20 ml ampule of this solution is diluted to 1 liter what is the percent strength of the resulting solution?

More Similar Questions