What is the volume strength of H2O2 of its 11.2 ml requires 30 ml of 0

1.	What is the volume strength of H₂O₂ of its 11.2 ml requires 30 ml of 0.5 M K₂Cr₂O₇?$
A.	35
B.	55
C.	25
D.	45
Answer» E.

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