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Please answer all question quickly i need to prepare for tomorrow’s exam request....Please Please Please Please

Please answer all question quickly i need to prepare for tomorrow’s exam
request....Please Please Please Please

Grade:12

2 Answers

Arun
25750 Points
5 years ago
Dear Mrunal
 
there is no question. please upload them.
I will be happy to help you.
 
Regards
Arun (askIITians forum expert)
Mrunal Sonawane
27 Points
5 years ago
 
how many ml of 0.150 M Na2CrO will be required to oxidize 40 ml of 0.5 M  Na2S2O3
Cr2O42-  +  S2O32-  ------> Cr(OH)4+ So42-
a. 225 ml
b. 335 ml
c. 455 ml
d.555 ml  

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