Post: Does anyone know the answer to this? (Chemistry)
04-19-2015, 06:24 PM #1
iridium7890
Climbing up the ladder
(adsbygoogle = window.adsbygoogle || []).push({}); Well, i need help with Volumetric Titrations. If i was given the concentration and moles how would i find the volume? I can find the moles fine and the concentration, but the volume i cant seem to figure out :(
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04-19-2015, 07:00 PM #2
Toke
PC Master Race
try asking a teacher or using google
04-19-2015, 07:09 PM #3
noxy cat
Save Point
this is like gcse chemistry? its pretty simple, the volume meaured in dm3 is the number of moles divided by the concentration. Also the concentration is the moles of a solute divided by the volume of solution. There is an easy way to convert between grams dm-3 and mol dm-3, if you know the relative formula mass of the solute:

g dm-3 to mol dm-3 : divide the concentration by the relative formula mass
mol dm-3 to g dm-3:multiply the concentration by the relative formula mass

does this help at all?
04-19-2015, 10:21 PM #4
iridium7890
Climbing up the ladder
Originally posted by noxy
this is like gcse chemistry? its pretty simple, the volume meaured in dm3 is the number of moles divided by the concentration. Also the concentration is the moles of a solute divided by the volume of solution. There is an easy way to convert between grams dm-3 and mol dm-3, if you know the relative formula mass of the solute:

g dm-3 to mol dm-3 : divide the concentration by the relative formula mass
mol dm-3 to g dm-3:multiply the concentration by the relative formula mass

does this help at all?


Yes! I figured it out thanks alot! Do you by any chance know anything about alpha and beta particles in the nuclear chemistry section? I dont know how to identify if its an alpha or beta particle who do i know if it has a +2 charge or what ever?
04-19-2015, 10:22 PM #5
iridium7890
Climbing up the ladder
Originally posted by FaZe
try asking a teacher or using google


Cant ask a teacher, were on easter holidays! An tomorrows the first day were back and i have prelims all day long
04-19-2015, 11:04 PM #6
Toke
PC Master Race
Originally posted by iridium7890 View Post
Cant ask a teacher, were on easter holidays! An tomorrows the first day were back and i have prelims all day long


Should have been prepared

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Shenmue
04-19-2015, 11:33 PM #7
iridium7890
Climbing up the ladder
Originally posted by FaZe
Should have been prepared


I am prepared its just that one part i wasnt sure about, i lost the sheet that had that info on it lol
04-20-2015, 07:43 AM #8
Kavoss
Bounty hunter
Google is you`re best friend Smile
05-02-2015, 09:21 PM #9
noxy cat
Save Point
sorry for late reply, well to put it very simply a alpha particle is equivalent to a alpha atom.An alpha particle is emitted from a decaying nucleus, the alpha particle consists of 2 neutrons (no charge) and to protons (+2 charge) this means its overall charge is +2 and its overall mass is 4. A beta particle is also emitted form the nucleus, its equivalent to an electron so simply -1 charge and 1/2000 relative mass.Hope this isn't to late and it helps!

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Sen
05-02-2015, 09:23 PM #10
i have no idea what these smart people are talking about >.< ill just sit in my corner and cry.

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Ethen

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