Ions in solution

  1. If 3.85 g of NaCl are dissolved in H2O to prepare 200 ml of solution? What is the mole quantity of each ion in solution? Show by calculation there are equal moles of positive charge ions and negative charge ions. What is the molar concentration of each ion in a solution (0.0659 moles Na+ and Cl-,0.329 M Na+ and Cl-)
  1. A solution of CaBr2 is prepared by dissolving 12.88 g of CaBr2 in water to prepare 250 ml of solution? What is the mole quantity of each ion in solution? Show by calculation there are equal moles of positive charge ions and negative charge ions. What is the molar concentration of each ion in a solution (0.0644 moles Ca+2; 0.1289 moles Br-; 0.258 M Ca+2; .515 M Br-)
  1. A solution whose total volume is 500 mL is prepared by adding 7.35 g of Mg(NO3)2 and 10.85 g of NaNO3 to water, dissolving the solutes, and adding water to get 500 ml of solution. What is the mole quantity of each ion in solution? Show by calculation there are equal moles of positive charge ions and negative charge ions. What is the molar concentration of each ion in a solution .   (Mg+2 = 0.0495 moles, 0.099 M; Na+ =0.128 moles, 0.255 M; NO-3 = 0.0.226 moles, 0.453 M)
  1. 3.25 g of FeCl3, 18.29 g of NaCl, and 5.08 g of Na2SO4 are placed in a 250 ml volumetric flask, dissolved, and the final volume adjusted to the mark. What is the mole quantity of each ion in solution? Show by calculation there are equal moles of positive charge ions and negative charge ions. What is the molar concentration of each ion in a solution . (Fe+3 = .080 M; Cl- = 1.49 M; Na+ = 1.54 M)
  1. 50 ml of 0.25 M NH4Cl and 25 ml of 0.10 M NaCl are mixed. What is the mole quantity of each ion in solution? Show by calculation there are equal moles of positive charge ions and negative charge ions. What is the molar concentration of each ion in a solution   (NH4+ = 0.00835 moles, 0.167 M; Na+ = 0.00165 moles, 0.033 M; Cl- = 0..01 moles, 0.20 M)
  1. 100 mL of 0.12 M Fe(NO3)3, 50 mL of 0.08 M Ca(NO3)2, and 125 mL of 0.12 M KNO3 are placed in a beaker and mixed. What is the mole quantity of each ion in solution? Show by calculation there are equal moles of positive charge ions and negative charge ions. What is the molar concentration of each ion in a solution.