Measured temperature is titrated to the bromocresol endpoint

Reference no: EM13174028

The B4O5(OH)4^2- ion present in 5 ml of a saturated Na2B4O5(OH)4 solution at a measured temperature is titrated to the bromocresol endpoint with 3.25 ml of .291 M HCl.

A) How many moles of B4O5(OH)4^2- are present in the sample?

B) What is the molar concentration of B4O5(OH)4^2- in the sample?

C) Calculate the Ksp for Na2B4O5(OH)4^2- from this data.

D) What is the free energy for the dissolution of Na2B4O5(OH)4^2- at this temperature?

Reference no: EM13174028

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