Calculating ion molarity using solute mass A chemist prepares a solution of iron (II) bromide (FeBr₂) by measuring out 46.4 mg of FeBr₂ into a 50. mL volumetric flask and filling to the mark with distilled water. Calculate the molarity of Br anions in the chemist's solution. Be sure your answer is rounded to the correct number of significant digits. mol L d E

Calculate the final molarity of bromide anion in the solution. You can assume the volume of the solution doesn't change when the potassium bromide is dissolved in it. Be sure your answer has the correct number of significant digits.

Suppose 5.25 g of nickel(II) bromide is dissolved in 100. mL of a 0.20 M aqueous solution of potassium carbonate. Calculate the final molarity of nickel(II) cation in the solution. You can assume the volume of the solution doesn't change when the nickel(II) bromide is dissolved in it. Be sure your answer has the correct number of significant digits.

Calculate the molarity (to at least three significant digits) of a solution created when 108 mL of a 1.3-M NaCl solution is added to 100. mL of a 2.2-M NaCl solution.

A 0.8910 g sample of a mixture of NaCl and KCl is dissolved in water, and the solution is then treated with an excess of AgNO3 to yield 1.923 g of AgCl. Calculate the percent by mass of each compound in the mixture. Be sure each of your answer entries has the correct number of significant digits. % mass NaCl 0% % mass KCI X

A 0.3240 g sample of potassium hydrogen phthalate is dissolved in 100.0 mL of water. If 26.79 mL of sodium hydroxide solution are required to reach the equivalence point, what is the molarity of the sodium hydroxide solution? Be sure to report your answer with the correct units and number of significant figures.

A chemist dissolves 13.5 g of NaCl in enough water to make a 2500 mL solution. Calculate the molarity of the solution.

In the laboratory, a student dilutes 18.4 mL of a 6.23 M hydrobromic acid solution to a total volume of 200.0 mL. What is the concentration of the diluted solution?

A chemist prepares a solution of iron III  bromide    FeBr3    by measuring out  78.8mg  of  FeBr3  into a  100.mL  volumetric flask and filling to the mark with distilled water.   Calculate the molarity of Br−  anions in the chemist's solution.   Be sure your answer is rounded to the correct number of significant digits.

A chemist prepares a solution of vanadiumIII bromide VBr3 by measuring out 0.50g of VBr3 into a 50.mL volumetric flask and filling to the mark with distilled water. Calculate the molarity of Br− anions in the chemist's solution. Be sure your answer is rounded to 2 significant digits.