Because the number of molecules in a given amount of a compound is usually a very large
Chapter 6, Problem 7(choose chapter or problem)
Because the number of molecules in a given amount of a compound is usually a very large number, scientists often work with a quantity called a mole. One mole is about 6.02 1023 molecules. a. A liter of water has about 55.5 moles of H2O. How many molecules is this? Write your answer in scientific notation. b. How many molecules are in 6.02 1023 moles of a compound? Write your answer in scientific notation.
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