Which of the following is/are true when your solution turns from red to blue? Th

Question

Which of the following is/are true when your solution turns from red to blue?

The EDTA has fully reacted with the calmagite.

The number of moles of EDTA in solution is equivalent to the number of moles of calcium (and/or magnesium) ions.

All of the calcium ions are bound to the EDTA.

All of the calcium ions are bound to the calmagite.

The solution changes from acidic to basic.

The EDTA has fully reacted with the calmagite.

The number of moles of EDTA in solution is equivalent to the number of moles of calcium (and/or magnesium) ions.

All of the calcium ions are bound to the EDTA.

All of the calcium ions are bound to the calmagite.

The solution changes from acidic to basic.

Explanation / Answer

b.The number of moles of EDTA in solution is equivalent to the number of moles of calcium (and/or magnesium) ions.

c.All of the calcium ions are bound to the EDTA.

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