24) What is the concentration of magnesium ions in a 0.125 M Mg 504 solution? A)...
22) How many moles of CH3CH2Cl are contained in 548 mL of 0.0788 M CH3CH2Cl solution? A) 4.32 x 10-2 mol B) 2.32 x 10-2 mol C) 6.95 x 10-2 mol D) 1.44 x 10-2 mol E) 5.26 x 10-2 mol 23) How many milliliters of a 0.266 M CSNO3 solution are required to make 150.0 mL of 0.075 M CSNO3 solution? A) 53.2 ml B) 42.3 mL C) 18.8 ml D) 23.6 mL E) 35.1 ml 24) What is...
22) How many moles of CH3CH2Cl are contained in 548 mL of 0.0788 M CH3CH2Cl solution? A) 4.32 x 10-2 mol B) 2.32 x 10-2 mol C) 6.95 x 10-2 mol D) 1.44 x 10-2 mol E) 5.26 x 10-2 mol 23) How many milliliters of a 0.266 M CSNO3 solution are required to make 150.0 mL of 0.075 M CSNO3 solution? A) 53.2 ml B) 42.3 mL C) 18.8 ml D) 23.6 mL E) 35.1 ml 24) What is...
What is the total concentration of phosphate ions in a 1.0 M aqueous solution of magnesium phosphate?
What is the concentration of NO3-ions in a solution prepared by dissolving 20.0 g of Ca(NO3)2 in enough water to produce 300 mL of solution? 0.406 M 0.537 M 0.813 M. O 0.203 M
What is the concentration (m) of ions in a solution that is prepared by dissolving 5.66 g of K2SO4 (174 g/mol) in 1.02 liter of water? Assume the density to be 1 g/mL. to the thousandth
I have a 0.125 M sodium oxide solution a) 15.25 mL of this is diluted to 100.00 mL total volume. What is the concentration of the new solution? b) I now want to make 75.00 mL of a 20.00 mM solution. What volume of the 0.125 M solution must be diluted to 75.00 mL to make this? c) What is the concentration of sodium ions in the 0.125 M sodium oxide solution?
Calculate the concentration (M) of sodium ions in a solution made by diluting 30.0 mL of a 0.574 M solution of sodium sulfide to a total volume of 150 mL.
What is the concentration of nitrate ions in 2.00L of a solution that contains 0.250 moles of Fe(NO3)3 ? The answer is ....0.375M, but how? A 150. mL salt solution is prepared by diluting a 25.0 mL sample of a more concentrated solution. The concentration of the diluted salt solution is 0.550 M. What was the concentration of the undiluted salt solution? How is the answer.... b) 3.30 M and not .0917??
What is the molarity (M) of FeCl3 in a solution prepared by dissolving 10.0 g of FeCla in enough water to make 275 mL of solution? O A) 2.24 x 104 O B) 3.82 x 10-2 O c) 0.224 O D) 0.382 O E) 4.46 OF) 3.82 x 102 O G) 4.46 x 103
. The concentration of magnesium, calcium, and nickel(II) ions in an aqueous solution are 0.0010 M. (a) In what order to they precipitate when potassium hydroxide is added?; (b) determine the pH at which each salt will precipitate. The molarity of CrO42– in a saturated Tl2CrO4 solution is 6.3×10–5 mol·L–1, what is the Ksp of Tl2CrO4?