Hannahdavy9338 Hannahdavy9338

28-05-2018
Chemistry

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Copper (cu) is a transition element used in the making of coins. calculate the mass in grams of 0.0420

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kenmyna kenmyna

06-06-2018

The mass in grams of 0.0420 moles is calculated as below

mass = moles x molar mass

the molar mass of Cu= 63.5 g/mol
moles = 0.0420 moles

mass = 63.5 g/mol x 0.0420= 2.667 grams of Cu

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