“This EDTA solution was used to titrate a 100 ml sample of water, adjusted to pH 10, using EBT as the indicator. The titration required 11.23 ml to reach a blue endpoint. Calculate the total concentration of Ca^2+ and Mg^2+ in the water. (The EDTA reacts i a 1:1 mole ratio with both Ca^2+ and Mg^2+.) Express the concentration in moles of metallic cation per liter.”I have found the molarity from part a.) to be 9.9788 x 10^-3. How do I solve part b? (molecular weight3. A 3.7145 g portion of disodium EDTA dihydrate372.24 g/mol) is dissolved in enough deionized water to prepare 1 Lof solution.a.Compute the molarity of the EDTA solution.b. This EDTA Solution was used to titrate a 100 mL sample of water,adjusted to pH 10, using EBT asrequired 11.23 mL to reach a blue endpoint.concentration of Ca+ and Mg²+ in the water.a 1:1 mole ratio with both Ca2+ and Mg2+.)tration in M (moles of metallic cation per liter).the indicator.The titrationCalculate the total(The EDTA reacts inExpress the concen-the metallic cations as mg/L inC. Express the concentration ofterms of CaCO, (milligrams of CACO, per liter).diuatod12 and Calconto

Given Data: Molarity of EDTA solution = 9.9788 x 10-3 M Volume of EDTA solution used = 11.23 mL…

Answered: 3. A 3.7145 g portion of disodium EDTA…

Chemistry

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ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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“This EDTA solution was used to titrate a 100 ml sample of water, adjusted to pH 10, using EBT as the indicator. The titration required 11.23 ml to reach a blue endpoint. Calculate the total concentration of Ca^2+ and Mg^2+ in the water. (The EDTA reacts i a 1:1 mole ratio with both Ca^2+ and Mg^2+.) Express the concentration in moles of metallic cation per liter.” I have found the molarity from part a.) to be 9.9788 x 10^-3. How do I solve part b?

(molecular weight
3. A 3.7145 g portion of disodium EDTA dihydrate
372.24 g/mol) is dissolved in enough deionized water to prepare 1 L
of solution.
a.
Compute the molarity of the EDTA solution.
b. This EDTA Solution was used to titrate a 100 mL sample of water,
adjusted to pH 10, using EBT as
required 11.23 mL to reach a blue endpoint.
concentration of Ca+ and Mg²+ in the water.
a 1:1 mole ratio with both Ca2+ and Mg2+.)
tration in M (moles of metallic cation per liter).
the indicator.
The titration
Calculate the total
(The EDTA reacts in
Express the concen-
the metallic cations as mg/L in
C. Express the concentration of
terms of CaCO, (milligrams of CACO, per liter).
diuatod
12 and Calcon
to

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