How many microliters of a 856.0 ppm Co²+ stock solution are

Last updated: 8/6/2022

How many microliters of a 856.0 ppm Co²+ stock solution are required to prepare 23.00 mL of a 23.0 ng/μl. Co²+ solution? Significant figures are graded for this problem. Be sure you do not round your answers until the very end of your calculations. V = μL