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hi
HI
2nd question I solved like this.
In mannonsheroff question book,they gave one fomula for this,even I don't know how to get that formula.
K=x/t*a*(a-x).
Here k= rate constant
X=consuming concentration=(.01-.009=.001)
a= intial concentration=.01
a-x=remaining concentration.=.009
k=1.082lit/min
T=.001/1.082*.01*.009
T=10.26min
Answer is C
Regards
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