2. solution of diprotic acid with molar mass 186.0 g/mol (Ka1= 7.1e-2 Ka2=6.1e-5) made by placing 35.90 g of the acid in 155 mL of solution. Solution titrated with 1.180 M KOH. What is pH at second equivalence point? 3. Solution made with 1.81 g Vitamin C (H2C6H6Ó6, Ka1=7.9e-5 Ka2=1.6e-12) dissolved in 201 mL of solution, titrated with 1.170 M KOH. Calculate pH at second halfway point

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Polymers

Polymers are naturally occurring or synthetically produced large molecules or compounds which are made up of series of repeating units called monomers. They are joined together by chemical bonds. The term polymer is coined from Greek roots meaning 'many parts' and are found almost everywhere from the plastics bags to the rubber of our tires to our DNA strands.