If 50 mL of 0.05 M Fe2+ in 1 M HClO4 is titrated with 0.1 M Ce4+ in 1 M HClO4, what is the total potential of the given system after 80 mL of titrant is added? (Hint: When a specific solvent condition such as this is given, you should use the formal reduction potential for that condition rather than the standard reduction potential.)

in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

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