P pscecelia Member Joined Dec 16, 2011 Messages 150 Gender Female HSC 2013 Aug 23, 2012 #1 Don't judge..... 2.575x10^24 molecules of h20(water). How many moles is this and what I'd the mass?
B Beaconite Banned Joined Aug 17, 2012 Messages 411 Location Wollongong Gender Female HSC 2012 Aug 23, 2012 #2 2.57 * 10^24 / avogadro's number = no of moles
P Parvee (╯°□°）╯︵ ┻━┻ Joined Apr 4, 2011 Messages 1,077 Gender Female HSC 2012 Aug 23, 2012 #3 Beaconite said: 2.57 * 10^24 / avogadro's number = no of moles Click to expand... ^ For the mass you use no moles= mass/molar mass and rearrange for mass
Beaconite said: 2.57 * 10^24 / avogadro's number = no of moles Click to expand... ^ For the mass you use no moles= mass/molar mass and rearrange for mass
B Beaconite Banned Joined Aug 17, 2012 Messages 411 Location Wollongong Gender Female HSC 2012 Aug 23, 2012 #4 Parvee said: ^ For the mass you use no moles= mass/molar mass and rearrange for mass Click to expand... woops didn't read the second bit lol Thanks Parvee
Parvee said: ^ For the mass you use no moles= mass/molar mass and rearrange for mass Click to expand... woops didn't read the second bit lol Thanks Parvee
