# Chemistry

The forensic technician at a crime scene has just prepared a luminol stock solution by adding 11.0 g of luminol into a total volume of 75.0 mL of H2O. What is the molarity of the stock solution of luminol? Luminol has a molecular weight of 177 g/mol.

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1. mols luminol = grams/molar mass = ?
Then M = mols/L solution.

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