Explain the significance of the large change in pH between the addition of 26.00 and 28.00 mL of NaOH solution.

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

Describe the properties of sodium, chlorine, and sodium chloride

4al + 3o2 → 2al2o3 what does the "3" in front of o2 stand for? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. c) it indicates that there are 3 oxygen molecules chemically bonded to each other in the reaction. d) it indicates that there are 3 separate oxygen molecules in the reaction.