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Balance the following redox reaction using either the half-reaction or oxidation-number method. Please SHOW WORK.

NaI + H2SO4 I2 + H2S + Na2SO4 + H2O

Part 2:

what is the species from above that is oxidized:

H2O

H2S

Na2SO4

H2SO4

NaI

what is the species from above that is reduced:

H2O

Na2SO4

I2

H2SO4

NaI

what is the oxidizing agent from above:

H2O

Na2SO4

I2

H2SO4

H2S

what is the reducing agent from above:

Na2SO4

I2

H2SO4

NaI

H2S

My work:

2NaI(s) + 2H2SO4(aq)---> I2 (g) + 1H2S(g)+ Na2SO4(aq)+H2O(l)

Oxidiation #'s:

H2(aq)= 1+

SO4(aq)= 2-

Na(aq)=1+

SO4(aq)=2-

H2(l)= 1+

O(l)= 2-

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