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![[Post New]](/templates/default/images/icon_minipost_new.gif) 1 Apr 2008 23:02:41 IST
Accepted Answer [?]
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well
moles of naoh =20/40=1/2
moles of co2 must be =1/2)/2=1/4
moles of CO=1-1/4=3/4
moles of naoh needed=3/2
mass=3/2 x40=60
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