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  • 20-01-2023
  • Chemistry
contestada

1. A chemist needs to prepare 4.00 L of a 0.50 M solution of potassium permanganate (KMnO4). What mass of KMnO4 does she need to make the solution?


2. Determine the molality of a solution prepared by dissolving 20 g of sodium chloride (NaCl) in 150. g of water. This problem is similar to Sample Problem 16.5.

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