A biochemist carefully measures the molarity of salt in  33.mL  of photobacterium cell growth medium to be  54.   mM .   Unfortunately, a careless graduate student forgets to cover the container of growth medium and a substantial amount of the solvent evaporates. The volume of the cell growth medium falls to  9.1mL . Calculate the new molarity of salt in the photobacterium cell growth medium. Round each of your answers to  2

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