A penny has a mass of 2.50 g and the Moon has a mass of 7.35×1022 kg

A penny has a mass of 2.50 g and the Moon has a mass of 7.35×1022 kg. Use this information to answer the questions below. Be sure your answers have the correct number of significant digits. What is the mass of 1 mole of pennies? How many moles of pennies have a mass equal to the mass of the Moon?

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