CHEMISTRY

posted by .

What is the molarity of 250 mL of a solution that contains 12.5 g of dissolved zinc bromide, ZnBr2?

  • CHEMISTRY -

    moles = grams/molar mass.
    Solve for moles.

    M = moles/L. Solve for M.

  • CHEMISTRY -

    359654

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. CHEMISTRY

    brass is a subtitutional alloy consisting of a solution of copper and zinc. a particulae sample of red brass consisting of 80% copper and 20% zinc by mass has a density of 8750kg/m^3. a. what is the molality of zinc in the solid solution …
  2. chemistry

    Determine the number of bromide ions in solution when 4.23 g of magnesium bromide and 1.21 g of potassium bromide are dissolved in 120mL of water. Please explain not sure how to even start this problem, thanks!
  3. CHEMISTRY

    Consider an aqueous solution prepared from 250.0 mL of water and 1.27 g of potassium bromide. Express the amount of potassium bromide in this solution in terms of (a) mass percent (b) mole fraction (c) molarity assume the density of …
  4. chemistry

    What is the percent by mass of 3.55 g NaCl dissolved in 88 g H2O?
  5. chemistry

    Suppose 0.432g of zinc acetate is dissolved in 200.mL of a 16.0mM aqueous solution of ammonium sulfate. Calculate the final molarity of acetate anion in the solution. You can assume the volume of the solution doesn't change when the …
  6. Chemistry

    a 2.00 g sample of zinc was dissolved in 50.0 mL of 6.0 M HCL the final volume of solution was 50.2 mL... a. what was the concentration of Cl- after the zinc was dissolved?
  7. chemistry

    If 50.0 mL of 0.150 M magnesium bromide is combined with 200 mL of 0.110 M sodium bromide what is the molarity of the bromide ion in the resulting solution?
  8. Chemistry

    Suppose 26.0g of sodium bromide is dissolved in 150mL of a 0.60M aqueous solution of silver nitrate. Calculate the final molarity of bromide anion in the solution. You can assume the volume of the solution doesn't change when the sodium …
  9. science

    Calculate the molarity of a solution which contains 6.456g of Na2CO3 dissolved in 250.0 ml of solution.
  10. Chemistry

    The mass of lead bromide that is dissolved in 250 mL of a saturated solution is____ grams.

More Similar Questions