A flask contains 0.380 mol of liquid bromine, Br2. Determine the number of bromine molecules present in the flask. Express your answer numerically in molecules.
Calculate the mass of 1.00 x 1024 (a septillion) molecules of water. Express the answer numerically in grams. Express the answer numerically in grams. You may know that a million is 106, a billion is 1012. A trillion trillion would be 1024 which is also known as a septillion.
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