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ANSWER KEY - Los Angeles Mission College
mymission.lamission.eduChemistry 102 ANSWER KEY 1 REVIEW QUESTIONS Chapter 16 1. A buffer is prepared by adding 20.0 g of acetic acid (HC 2 H 3 O 2) and 20.0 g of sodium acetate (NaC 2 H 3 O 2) in enough water to prepare 2.00 L of solution. Calculate the pH of this buffer? (K a = 1.8x10 –5) 20.0 g 1 mol HAc x 60.0 g 1 1 mol 1 x = 0.167 M 20.0 g NaAc x x = 0.122 M
Answer Key - oup.hu
www.oup.hu© Oxford University Press New English File Pre-intermediate Answer Key 1 rEAdiNg b 1 F 2 T 3 ? 4 F c 1 a c2 a 3 a 4 a 5 b d 1 split up with d2 depressed