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Re: any c&g'ers good at chemistry? giving robux for correct ans

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Xotos is not online. Xotos
Joined: 04 Jul 2015
Total Posts: 2239
27 Oct 2017 10:28 PM
https://forum.roblox.com/Forum/ShowPost.aspx?PostID=226901608


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DominusRobloxia is online. DominusRobloxia
Joined: 07 Jan 2012
Total Posts: 6856
27 Oct 2017 10:34 PM
"How many moles of iron atoms are in 1.5 ×10e24 atoms iron?"

you know that you have 1.5x10e24 atoms of iron then you want to change it from atoms to moles

moles equal 6.022e23 atoms which is avogadro's number

so its 1.5x10^24 * 1/6.022x10^23

its 1.5x10^24/6.022x10^23
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Sillete is not online. Sillete
Joined: 08 Jan 2013
Total Posts: 6205
27 Oct 2017 10:41 PM
if only it was history

ive been paid 80k robux to do history homework


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eeoa is not online. eeoa
Joined: 26 Jul 2011
Total Posts: 27317
27 Oct 2017 10:42 PM
To add onto what dominus said

1.5x10^24 / 6.022x10^23 = 2.49x10^-1

answer should be .249 moles


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cheesydemonsalt is online. cheesydemonsalt
Joined: 27 Jun 2015
Total Posts: 56
27 Oct 2017 10:43 PM
2.49 moles of iron atoms

take the # of atoms and divide it by avogardo's number which is 6.022e23 or 6.022 x 10^23


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eeoa is not online. eeoa
Joined: 26 Jul 2011
Total Posts: 27317
27 Oct 2017 10:44 PM
Oh I'm stupid I divided by 6.022x10^24 lmao

yeah 2.49


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Xotos is not online. Xotos
Joined: 04 Jul 2015
Total Posts: 2239
27 Oct 2017 10:47 PM
gosh i got help from like 5 or 6 people
post links



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Xotos is not online. Xotos
Joined: 04 Jul 2015
Total Posts: 2239
27 Oct 2017 10:53 PM
@ee i pm'ed u rip u went offline but i owe u 75


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DominusRobloxia is online. DominusRobloxia
Joined: 07 Jan 2012
Total Posts: 6856
27 Oct 2017 11:02 PM
wheres my 75 nerd? i gave most of the work lol
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DominusRobloxia is online. DominusRobloxia
Joined: 07 Jan 2012
Total Posts: 6856
27 Oct 2017 11:03 PM
https://www.roblox.com/catalog/1122828314/T-Shirt-payment

pay up
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cheesydemonsalt is online. cheesydemonsalt
Joined: 27 Jun 2015
Total Posts: 56
27 Oct 2017 11:06 PM
ty for the robux :D


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DramacydaI is not online. DramacydaI
Joined: 01 Nov 2012
Total Posts: 660
27 Oct 2017 11:39 PM
df
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kamo38 is not online. kamo38
Joined: 14 Nov 2011
Total Posts: 218
27 Oct 2017 11:40 PM
@Sillete I feel you.
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zachlovespizza is not online. zachlovespizza
Joined: 16 Mar 2011
Total Posts: 16041
28 Oct 2017 12:06 AM
if only it was psychology ;(
then i couldve been at least some help
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