02-05-2017
Chemistry

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what is the Mass of a Penny

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xgamer11221 xgamer11221

02-05-2017

2.5 g is the mass of the penny for Canadian coins which have become defunct

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Аноним Аноним

02-05-2017

The mass of a penny is 2.5 grams. The mass of a penny was 3.1 grams before 1982, but after 1982 the mass changed to 2.5 grams.

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