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26-05-2021
Chemistry

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a gold ring contains 3.2 grams of pure gold. how many moles of gold are in the ring?

Respuesta :

ZzainabB ZzainabB

26-05-2021

Answer:

0.0162 moles (3 s. f.)

Explanation:

moles = mass / Ar

moles = 3.2 / 197.0

moles = 0.0162436

moles = 0.0162 (3 s. f.)

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