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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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OldSpice OldSpice
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9 years ago
If a penny has a mass of 2.507 g and is 97.5% zinc, what is the mass of zinc in the coin?
A) 0.0627 g
B) 0.244 g
C) 0.627 g
D) 2.38 g
E) 2.44 g
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ElectricElectric
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9 years ago
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OldSpice Author
wrote...
#2
9 years ago
Perfect!

..Thank you so much for your support
wrote...
#3
9 years ago
My pleasure
.silent.boss
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