Answered: How many molecules of C,H,, are present…

How many molecules of C,H,, are present in 385.42g of C,H,? 10 If you have 7.24 x 10 molecules of water, how many grams of water is that?

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter3: Molecules, Moles, And Chemical Equations

Section: Chapter Questions

Problem 3.55PAE: 3.55 An average person inhales roughly 2.5 g of O2 in a minute. How many molecules of oxygen are...

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Can I please get some help on these two question. Thank you so much.

How many molecules of C,H, are present in 385.42g of C,H,?
10
If you have 7.24 x 10 molecules of water, how many grams of water is that?

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