Asolution is prepared by dissolving 36.7845 grams of disodium acid dihydate in enough water to prepare .5000 liters of solution. what is the molar concentration of ethylenediminediacetic-diacetate in solution? what is the expected sodium ion concentration?

The molar concentration of ethylenediminediacetic-dihydrate and sodium ions in solution is 0.1976 M and 0.3952 M respectively.

Explanation:

To calculate the molarity of solution, we use the equation:

We are given:

Mass of solute (disodium ethylenediaminetetraacetic acid dihydate) = 36.7845 g

Molar mass of disodium ethylenediaminetetraacetic acid dihydate = 372.24 g/mol

Volume of solution = 0.5000 L

Putting values in above equation, we get:

As, 1 mole of disodium ethylenediaminetetraacetic acid dihydate produces 2 moles of sodium ion and 1 mole of ethylenediminediacetic-dihydrate.

Concentration of ethylenediminediacetic-dihydrate in solution =

Concentration of sodium ions in solution =

Hence, the molar concentration of ethylenediminediacetic-dihydrate and sodium ions in solution is 0.1976 M and 0.3952 M respectively.

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