Q)
(chatquestion)...Medical
(i)
Relation Between Molality (m) and Mole fraction
ng x M, x 1000
WA x1000
Xn
XA NA
My Walves
molality x M
XB
1000
XA
molality x M,
1000
molality x MA
: if x <<<1 for very dilute Xg
1-x
1000
VOLUME STRENGTH OF H,0, SOLUTION:
G)
Volume of O, (L) produced by decomposition of unit volume solution of H,O, at NT
volume strength.
Relationship between volume strength of H,O, and Molarity/Normality
Let volume strength of H,O, solution be X V, it means 1L solution of H,O2, can p
NTP.
2H,0, 2H,0 + O(g)
2mol
Imol
1 mole O, can be produced by = 2 mole H,O, solution
х
2X
mole of O, can be produced by =
22.4
mole H,O, solution
22.4
х
mole of H,O, solution
11.2
Molarity- number of moles of solute
volume of solution(L)
2X
(a)
22.4 11.2
Hence M-
11.2
(b)
Normality molarity xvalence factor =
x 2 =
11.2
5.6
N-
5.6
Hence
Strength (g/L): S-N xE
(c)
x 17
Hence S-
g/L
5.6
17
5.6 10
ONCEPTS OF DILUTIO
k)
dition of a solvent in a solution, where following r
The
dilution and betore ulution
• amount of solute (w)
• moles of solute (M xV) MolagityXvelump.
PNumber of gram equivalent of solute (N xV) Mroli
xvune
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By Rahul Kumar mog
...
