Question

A standard solution of Mn2+ was prepared by dissolving 0.250 g of Mn in 10 mL of concentrated HNO3 (measured with a graduated cylinder). The resulting solution was quantitatively transferred to a 100 mL volumetric flask and diluted to volume with distilled water. A 10 mL aliquot of the solution was pipetted into a 500 mL volumetric flask and diluted to volume.

Answer 1

calculation

Answer 2

yes