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9.25 * 10^21 pennies if how many moles
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9.25 * 10^21 pennies if how many moles

User Andrii Chertok
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according to Avogadro constant 1 mole = 6.02 x 10^23 what about 9.25 x10 ^21

that is 1 mole x ( 9.25 x10 ^21) / (6.02 x10^23) = 0.0154 moles
User Fmg
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