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Help with this Chemistry 12 question?

In a titration, 28.55mL of acidified KMnO4 are required to oxidize a 10.00mL sample of Cr 3+ (aq). Write the balanced redox reaction and calculate the [Cr3+].

Also, another question -

A metal sculpture to be placed outdoors consists of plates of iron and copper bolted together. A block of magnesium is connected to the sculpture.

State the purpose of the block of magnesium and explain how it fulfills that purpose. Use voltage to support your answer.

PLEASE HELP!

1 Answer

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  • Anonymous
    10 years ago
    Favorite Answer

    hm sorry dear i dont have the answer to this question.. buttt.. u just answered my question and you brought up the medieval times.. are u from jersey or new york?.. because thats near me

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