Explanation Explanation To determine : pH of the solution. The molarity of the solution is 2 . 2 5 × 1 0 − 3 M _ . Given The mass of solute lime ( CaO ) is 0 .25 g . The volume of solution is 1500 mL . The reaction of lime with water is, CaO + H 2 O → Ca ( OH ) 2 Ca ( OH ) 2 is the required solution. The molar mass of Ca(OH) 2 is 74 .094 g/mol The conversion of milliliter ( mL ) into liter ( L ) is done as, 1 mL = 10 − 3 L Hence, the conversion of 1500 mL into liter is, 1500 mL = ( 1500 × 10 − 3 ) L = 1 .5 L Formula The molarity is calculated using the formula, Molarity = Mass of solute Molar mass of solute × Volume of solution Substitute the values of mass and molar mass of solute and volume of solution in the above equation. Molarity = Mass of solute Molar mass of solute × Volume of solution = 0 .25 g 1 .5 L × 74 .094 g/mol = 2 . 2 5 × 1 0 − 3 M _ pOH of the solution is 2

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Chapter 13, Problem 148AE

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Interpretation: The mass of lime and volume of a solution is given. By using these values, the pH of the solution is to be calculated.

Concept introduction: The measure of concentration of hydrogen ions in the solution is known as pH .

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Chapter 13, Problem 147AE

Chapter 13, Problem 149AE

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The mass of lime and volume of a solution is given. By using these values, the pH of the solution is to be calculated. Concept introduction: The measure of concentration of hydrogen ions in the solution is known as pH .

Solution Summary: The author explains the calculation of pH of the solution using the mass of lime and volume of a solution.

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Interpretation: The mass of lime and volume of a solution is given. By using these values, the pH of the solution is to be calculated. Concept introduction: The measure of concentration of hydrogen ions in the solution is known as pH .

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Chapter 13 Solutions

Interpretation: The mass of lime and volume of a solution is given. By using these values, the pH of the solution is to be calculated.

Concept introduction: The measure of concentration of hydrogen ions in the solution is known as pH .