(a) Interpretation: 1.0 mmol of lactic acid is titrated with NaOH(aq) to a final volume of 100 mL at the equivalence point during a series of planned titrations of lactic acid CH 3 CH(OH)COOH (pKa=3.86) is planned. The acid-base indicator used for the titration needs to be determined. Concept introduction: A buffer solution is prepared from a weak acid and its conjugate base. Similarly, it can be prepared from a weak base with conjugate acid. It usually works by reacting with any acid or base added to it to control the pH.
(a) Interpretation: 1.0 mmol of lactic acid is titrated with NaOH(aq) to a final volume of 100 mL at the equivalence point during a series of planned titrations of lactic acid CH 3 CH(OH)COOH (pKa=3.86) is planned. The acid-base indicator used for the titration needs to be determined. Concept introduction: A buffer solution is prepared from a weak acid and its conjugate base. Similarly, it can be prepared from a weak base with conjugate acid. It usually works by reacting with any acid or base added to it to control the pH.
Solution Summary: The author explains how the acid-base indicator used for the titration needs to be determined.
1.0 mmol of lactic acid is titrated with NaOH(aq) to a final volume of 100 mL at the equivalence point during a series of planned titrations of lactic acid CH3CH(OH)COOH (pKa=3.86) is planned. The acid-base indicator used for the titration needs to be determined.
Concept introduction:
A buffer solution is prepared from a weak acid and its conjugate base. Similarly, it can be prepared from a weak base with conjugate acid. It usually works by reacting with any acid or base added to it to control the pH.
Interpretation Introduction
(b)
Interpretation:
1.00mmol of lactic acid is titrated with NaOH(aq) to a final volume of 100 mL at the equivalence point during a series of planned titrations of lactic acid CH3CH(OH)COOH (pKa=3.86) is planned. The suitable combination for the buffer solution needs to be determined.
Concept introduction:
A buffer solution is prepared from a weak acid and its conjugate base. Similarly, it can be prepared from a weak base with conjugate acid. It usually works by reacting with any acid or base added to it to control the pH.
Interpretation Introduction
(c)
Interpretation:
1.00 mmol of lactic acid is titrated with NaOH(aq) to a final volume of 100 mL at the equivalence point during a series of planned titrations of lactic acid CH3CH(OH)COOH (pKa=3.86) is planned. The ratio of conjugate base to acid required in the buffer needs to be determined.
Concept introduction:
A buffer solution is prepared from a weak acid and its conjugate base. Similarly, it can be prepared from a weak base with conjugate acid. It usually works by reacting with any acid or base added to it to control the pH.
"Water gas" is an industrial fuel composed of a mixture of carbon monoxide and hydrogen gases. When this
fuel is burned, carbon dioxide and water result. From the information given below, write a balanced equation
and determine the enthalpy of this reaction:
CO(g) + O2(g) → CO₂(g) + 282.8 kJ
H2(g) + O2(g) → H₂O(g) + 241.8 kJ
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4. Calculate AG for the following reaction at 25°C. Will the reaction occur (be spontaneous)? How do you
know?
NH3(g) + HCl(g) → NH4Cl(s)
AH=-176.0 kJ
AS-284.8 J-K-1
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