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For the following data at 25^@C Cr^(3+)(...

For the following data at `25^@C`
`Cr^(3+)(aq)+1barerarrCr^(2+)(aq),E^@=-0.424V`, `Cr^(2+)(aq)+2barerarrCr(s),E^@=-0.900V` Find `E^@` at `25^@` for the reaction:
`Cr^(3+)+3barerarrCr(s)`

A

`-0.741V`

B

`-1324V`

C

`-0.476V`

D

`+0.741V`

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