21.A substance that releases hydrogen ions in solution is a/an:a.Saltb.Basec.Acidd.Lipide.pH22.The hydrogen ion concentration would be highest in a solution with a pH of:
23.Which solution is acidic?24.The difference in hydrogen ion concentration between a solution with a pH of 9 and a solution with a pH of 5 is:25.A substance which minimizes fluctuations in the pH of a solution when acid or base is added is a/an:a.Saltb.Basec.Acidd.Buffere.Ion26.Which of the following would make a good buffer?27.The atomic mass of Na is 23 and the atomic mass of Cl is 35. A 1 M solution of NaCl would contain _____ grams of NaCl in 1 liter of water.28.A chemical reaction that builds up or makes bonds is:
29.The sum of all the chemical reactions occurring an organism is/are:a.Anabolismb.Catabolismc.Homeostasisd.Metabolisme.Exchange reactions30.Life is said to be carbon based because carbon atoms make up:31.Nitrogen is always found in which molecule?32.Which of the following is most likely a carbohydrate?
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