Question

How many milliliters of 0.230 M Na2S2O3 solution are needed to titrate 2.349 g of I2 according to the equation below?

I2(aq)+2S2O3^2-(aq)->S4O6^2-(aq)+2I^1-(aq)
moles I2 = grams/molar mass = ??moles.
Using the coefficients in the balanced equation, convert moles I2 to moles S2O3^-2.
??moles I2 x (2 moles S2O3^-2/1 moleI2) = xx

M S2O3 = moles/L
420 bong scopelord

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