Chemistry Forum

Posted: **Tue Nov 13, 2007 3:44 pm**

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!)

Posted: **Wed Nov 14, 2007 10:25 am**

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&#91;B2&#40;OH&#41;4&#40;O2&#41;2&#93; + 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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Iodiometric Analysis of Sodium Peroxoborate

Iodiometric Analysis of Sodium Peroxoborate

Re: Iodiometric Analysis of Sodium Peroxoborate