The same water sample from the cave was subjected to an analysis to determine its nitrite concentration. Using a spectrophotometer, the following results were obtained for standard solutions of nitrite and for the unknown. Absorbance at 550 Solution nm 2.00 µM 0.065 6.00 µM 0.205 ww 10.00 µM 0.338 14.00 µM 0.474 18.00 µM 0.598 Unknown 0.402 a. Draw a calibration curve base on the data from the standards. b. Find the slope and intercept of the curve. c. Determine the concentration of nitrite in the water sample.
Ionic Equilibrium
Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
Arrhenius Acid
Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.
Bronsted Lowry Base In Inorganic Chemistry
Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.
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