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Summary Matric IEB quantitative chemistry

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In depth, well-structured Matric IEB Quantitative Chemistry online notes.

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Themassofeachelement
g

Atomsaretoosmalltocount it is usefultohavealinkbetweenmass numberofparticles
onemore 6,02 1023particles
firemyselffor
tonightENA differentsubstances


themassingramsofonemoleofthatsubstance
measuredin mol
g
eg Onemoleofcalciumhasamolarmassof 40gmd

, How to calculate numberof molesusing
1 number of particles
Athletes
Ymmobesh 1
a n Fa b
WE.fi9sEafnEia an Taxio
atoms


N 3,85 1024molecules 3,85 1024 7 2,7 1025atom

C 4OxygenatomsperHas04
3,851024 4 1,54oxygenatoms

2 Mass
mass g
Mabern If
molarmass gmd
b n c n
24 11 17118
223 16 0,06mol
2mol


3 Volume of gas
m qmÉim3
volume dm
Too Foothe n Fm 67,2dm
14mmol n Tendarudume
3 4
22,4 8 7 1 atSTP
standardtemperature
pressure gtastmad.SE msethe


4 concentration
M1dMdE C F 25 0,8mol.am3
9
cqg.gg gC soln
volumetam

Dilutingsolutions I tea'sS
mass g
mn
qq.hnEnC MVsoin volume dm
c crew Faa
mdarmass g md1 014 for
n 0,008md
89 08
0,08mddm

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