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Calculate the volume of 0.540 M sodium hydroxide solution contains 11.5 grams of sodium hydroxide?

Considering the given reaction Cr³⁺(aq)+ 3e^- → Cr(s) Eo = -0.74 V, Hg²⁺(aq)+ 2e- → Hg(l) Eo = +0.789 V then calculate What is the standard cell potential of a Cr-Hg cell? Remember to switch ½ reactions to oxidation and to balance the number of electrons.

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