Iodiometric Analysis of Sodium Peroxoborate

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Alison
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Posts: 1
Joined: Tue Nov 13, 2007 3:41 pm

Iodiometric Analysis of Sodium Peroxoborate

Post by Alison »

Please help!!
Iodometric Analysis of Sodium Peroxoborate - can't find the equations anywhere!!

(1) Sodium Peroxoborate + Potassium Iodide + Sulphuric Acid = ??????

(2) Product from equation 1 + Sodium Thiosulfaye = ??????

HELLLLLP!! (Due tomorrow afternoon!)
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Sam
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Joined: Sat May 13, 2006 9:54 pm

Re: Iodiometric Analysis of Sodium Peroxoborate

Post by Sam »

Alison wrote:Please help!!
Iodometric Analysis of Sodium Peroxoborate - can't find the equations anywhere!!

(1) Sodium Peroxoborate + Potassium Iodide + Sulphuric Acid = ??????

(2) Product from equation 1 + Sodium Thiosulfaye = ??????

HELLLLLP!! (Due tomorrow afternoon!)
(1)

Code: Select all

Na2[B2(OH)4(O2)2] + 4 KI + 3 H2SO4 = Na2SO4 + 2 K2SO4 + B2O3 + 5 H2O + 2 I2
from: http://www.webqc.org/balance.php?reacti ... 2BH2O%2BI2

(2)

Code: Select all

I2 + 2Na2S2O3 = 2NaI + Na2S4O6
Hope that helps.
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