A 0 630 g sample of the ore is completely dissolved in

Last updated: 4/28/2023

A 0 630 g sample of the ore is completely dissolved in concentrated HNO3 aq The mixture is diluted with water to a final volume of 50 00 mL Assume that a What is the Co2 in the solution if the absorbance of a sample of the solution is 0 74 b Calculate the number of moles of Co aq in the 50 00 mL solution c Calculate the mass percent of Co in the 0 630 g sample of the ore I the cobalt in the ore sample is converted to Co aq