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Which of the following changes will incr...

Which of the following changes will increase the `EMF` of the cell `:`
`Co(s)|CoCl_(2)(M_(2))||HCl(M_(2))||(H_(2),g)Pt`

A

increase the volume of the `CoCl_2` solution from 100 to 200 mL

B

Increase M2 from 0.010 to 0.500

C

Increase the pressure of `H_2(g)` from 1.00 to 2.00 atm

D

Increase the mass of the Co electrode from 10.0 to 20.0 g

Text Solution

Verified by Experts

The correct Answer is:
B
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