. You are given two stock solutions: 0.5 M acetic acid and 0.50 M sodium acetate. Describe the preparation of 250 mL of 0.1 M

4 answers
Question:

. You are given two stock solutions: 0.5 M acetic acid and 0.50 M sodium acetate. Describe the preparation of 250 mL of 0.1 M (total concentration) acetate buffer at a pH of 5.4. The pKa of acetic acid is 4.76

Answers

i think a, hope it .

explanation:

answer; i believe that the correct answer is (a) potassium(k)

Answer : option c) heat is released during the process.explanation :

the enthalpy of formation of water is given as -285.8kj/mol, which states that the enthalpy of formation is negative.

negative enthalpy of formation indicates that the heat is released during the reaction process. the heat is released from reaction to the surroundings the enthalpy is expressed with a negative sign with the energy given out in the reaction process.

the formation of water takes place by giving out heat which is -285.8 kj/mol.

answerto predict;

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