A chemist prepares a solution of silver nitrate (AgNO3) by measuring out 7.27g of silver nitrate into a 100.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's silver nitrate solution. Round your answer to 3 significant digits.

A chemist makes 250. mL of calcium bromide (CaBr₂) working solution by adding distilled water to 40.0 mL of a 0.767 in water. Calculate the concentration of the chemist's working solution. Round your answer to 3 significant digits. 1 mol x10 X S mol L stock solution of calcium bromide

A chemist prepares a solution of nickel(II) chloride  NiCl2  by weighing out  22.06g  of nickel(II) chloride into a  100.mL  volumetric flask and filling the flask to the mark with water. Calculate the concentration in  /gdL  of the chemist's nickel(II) chloride solution. Round your answer to  3  significant digits.

A chemistry student weighs out 0.0960 g of phosphoric acid (H,PO4), a triprotic acid, into a 250. mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1100 M NaOH solution. Calculate the volume of NaOH solution the student will need to add to reach the final equivalence point. Round your answer to 3 significant digits. |mL ola х10 Ar

A chemist prepares a solution of potassium permanganate (KMnO4) by measuring out 10. μmol of potassium permanganate into a 200. mL volumetric flask and filling the flask to the mark with water.Calculate the concentration in mol/L of the chemist's potassium permanganate solution. Round your answer to 2 significant digits.

A chemist prepares a solution of calcium bromide (CaBr₂) by measuring out 470. g of calcium bromide into a 350. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's calcium bromide solution. Round your answer to 3 significant digits. mol/L X 5

A chemist prepares a solution of sodium thiosulfate (Na₂S₂O3) by measuring out 113. g of sodium thiosulfate into a 150. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's sodium thiosulfate solution. Be sure your answer has the correct number of significant digits.

An analytical chemist weighs out 0.264 g of an unknown diprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. He then titrates this solution with 0.1900M NAOH solution. When the titration reaches the equivalence point, the chemist finds he has added 18.5 mL of NaOH solution. Calculate the molar mass of the unknown acid. Round your answer to 3 significant digits. x10 mol

A chemist prepares a solution of calcium sulfate (CaSO4) by measuring out 0.28 g of calcium sulfate into a 250. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's calcium sulfate solution. Be sure your answer has the correct number of significant digits. E 0 10⁰ × x 10 mol/L 19 x10 C 6

A chemist prepares a solution of silver nitrate (AgNO3) by measuring out 0.79 kg of silver nitrate into a 400. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's silver nitrate solution. Round your answer to 2 significant digits.