10 ml of water requires 1.47 mg of K2crO7 for oxidation of dissolved organic matter C.O.D is
Anamika majumder , 5 Years ago
Grade 12
Inorganic Chemistry> 10 ml of water requires 1.47 mg of K2crO7...
1 AnswersVikas TU
Last Activity: 5 Years ago
Dear student
Gram equivalent of oxygen =8
X factoro ofK2 Cr2 O7 is = 6
1.47*2/294.2/6=Wt/g
Weight of oxygen demand is equal to .06
Provide a better Answer & Earn Cool Goodies
Enter text here...
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Ask a Doubt
Get your questions answered by the expert for free
Enter text here...
Other Related Questions on Inorganic Chemistry
Total number of structural isomers of [Co(NH3)6][Cr(CN)6]
Inorganic Chemistry
0 Answer Available
Last Activity: 2 Year ago(s)
Why is boiling point of Cesium higher than that of Rubidium
Inorganic Chemistry
1 Answer Available
Last Activity: 2 Year ago(s)
which isomer mentioned in (a) is water soluble and why?
Inorganic Chemistry
1 Answer Available
Last Activity: 2 Year ago(s)
A gaseous mixture contains CO2 and CO the mass of the mixture is 200g and they are presenting equal fraction of moles . Find the total no. of O-atoms present in the mixture.
Inorganic Chemistry
0 Answer Available
Last Activity: 2 Year ago(s)
a gaseous mixture contains O2 , N2 and He in equal fraction of moles . Find the mass of He if 28g of N is present and 32g of O is present.
Inorganic Chemistry
0 Answer Available
Last Activity: 2 Year ago(s)