Ask your own question, for FREE!
Chemistry 7 Online
OpenStudy (anonymous):

If the penny is 5% zinc, how many zinc atoms are in the penny?

OpenStudy (greatlife44):

You need to find the weight of the penny and then multiply it by .05 to get the mass in grams.

OpenStudy (greatlife44):

But this is only the first step because afterwards you need to find how many atoms. Tell me what you get from this step.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Arriyanalol: i need help
12 hours ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
15 hours ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Arizona: does anyone know the percentage rate of 30,000 and 40,000
1 week ago 0 Replies 0 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!