Q1) How you would prepare 30 ? gm of 20% of KCI in water Q2) The minimum oxygen concentration needed to support most fish in around 5ppm. How many moles of O2 per liter dose this correspond to ? (if molecular .(weight of O, = 32 gm/ mole

Q1) How you would prepare 30 ? gm of 20% of KCI in water Q2) The minimum oxygen concentration needed to support most fish in around 5ppm. How many moles of O2 per liter dose this correspond to ? (if molecular .(weight of O, = 32 gm/ mole

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter9: Gases

Section: Chapter Questions

Problem 62E: A commercial mercury vapor analyzer can detect in air, concentrations of gaseous Hg atoms (which are...

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Stoichiometry

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Q1) How you would prepare 30
? gm of 20% of KCI in water
Q2) The minimum oxygen
concentration needed to support
most fish in around 5ppm. How
many moles of O2 per liter dose
this correspond to ? (if molecular
.(weight of O, = 32 gm/ mole
Q3)
Find the mole fraction of
water in a solution prepared by
dissolving 4.50 gm of CaBr, in
(if the
formula weight of CaBr, = 200 gm/
.(mol , H2O= 18 gm/ mole
84.0
mL
of water
?

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