Explanation Reason for correct option: Given data is shown below: Concentration of Na + = 2 .0 mEq Concentration of K + = 2 .0 mEq Concentration of PO 4 3 − = 2 .0 mEq Concentrations of positive and negative ions are determined as follows, Concentrations of Positive Ions = Concentrations of Na + and K + = 2 .0 mEq + 2 .0 mEq = 4 .0 mEq Concentrations of Negative Ions = Concentration of PO 4 3 − = 2 .0 mEq Here, sum of concentration of positive ions and the concentration of negative ions are equal. Hence, the given solution is out-of-balance relative to ion charge. Therefore, correct option is (c). Reason for in-correct option: In option (a), concentrations of positive and negative ions are determined as follows, Concentrations of Positive Ions = Concentrations of Na + and Ca 2 + = 1

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ISBN: 8220100853180

Author: STOKER

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Chapter 10.15, Problem 4QQ

Interpretation Introduction

Interpretation:

Hypothetical solution is out-of-balance relative to ion charge has to be identified from the given options.

Concept-Introduction:

Charge balance takes place when the sum of concentrations of negative ion and the sum of concentrations of positive ion becomes equal in mEq/L or Eq/L concentration units.

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Chapter 10.15, Problem 3QQ

Chapter 10.16, Problem 1QQ

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Solution Summary: The author explains that the hypothetical solution is out-of-balance relative to ion charge.

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