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May 29, 2015

Homework Help: Chemistry PLEASE HELP!

Posted by Sophie on Friday, May 3, 2013 at 8:50pm.

Manganese dioxide reacts with bromide ions to form manganese ions and bromate ions in an acidic aqueous solution. Write the balanced equation for this reaction.
Select one:

a. Br- + MnO2 + 3H2O Mn2+ + BrO3- + 2H3O+

b. Br- + 3MnO2 + 6H3O+ 3Mn2+ + 9H2O + BrO3-

c. 6Br- + MnO2 + 48H2O Mn2+ + 32H3O+ + 6BrO3-

d. Br- + 3MnO2 + 3H3O+ 3Mn2+ + BrO3- + 3H2O

e. 4Br- + 3MnO2 + 18H2O 3Mn2+ + 12H3O+ + 4BrO3-

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