What is the mass of K2Cr2O7 required to produce 254 gm I2 from KI sol – McqOptions

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1.	What is the mass of K2Cr2O7 required to produce 254 gm I2 from KI solution? Given: K2Cr2O7 + 2KI → 2Cr3+ + I2
A.	49 g
B.	98 g
C.	9.8 g
D.	4.9 g
Answer» C. 9.8 g

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