[Hot Item] Preparation of Luminol Sodium Salt Solution for Chemiluminescence Analysis

SOLVED: The forensic technician at a crime scene has just prepared a luminol stock solution by adding 13.0 g of luminol into a total volume of 75.0 mL of H2O. Luminol has a molecular weight of 177 g/mol. What is the molarity of the stock solution of luminol? Before investigating the scene, the technician must dilute the luminol solution to a concentration of 4.00×10^−2 M. The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol a

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