The answer would be c. Have you ever seen gravy? It always separates and leaves different layers.
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D) A log of who has handled the evidence and when so the integrity of the evidence is upheld.
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Answer:
A buffer system can be made by mixing a soluble compound that contains the conjugate ... 10.0 grams of sodium acetate in 200.0 mL of 1.00 M acetic acid.
Explanation: