Answered: A water has the following analysis:…

A water has the following analysis: Cation Na K Ca²+ Mg2+ Sr²+ mg/L 20 30 5 10 2 Anion C1- HCO CO3²- SO4- NO 3 What is the total alkalinity and total hardness in mg/L as CaCO;? mg/L 40 67 0 5 10

Chemistry

10th Edition

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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Question

A water has the following analysis:
Cation
Nat
K*
Ca²+
Mg2+
ST²+
mg/L
20
30
5
10
2
Anion
C1-
HCO
CO3²-
SO4-
NO,
3
What is the total alkalinity and total hardness in mg/L as CaCO;?
mg/L
40
67
0
5
10

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Step 1: Hardness of water and given data

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Step 2: Equation for total hardness and determination of equivalent masses.

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Step 3: Determination of total hardness.

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Step 4: Equation for total alkalinity and determination of equivalent mass

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Step 5: Determination of alkalinity.

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Step 6: Determination of carbonate hardness and non-carbonate hardness.

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