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So, Keq SOO 2.5x10- [2x] 0.0200.050 2.5x10-9-2x² √2.5x10-9 22x10¹5-x Final answer - The concentration of 50, is 2.5x10 mol/L Final answer - The concentration of 50, is 2.5x105 mol/L Select all statements that are TRUE from the list below Select 6 comectwer The ICE table contains 1 error, in the SO₂ column The ICE table contains 1 error, in the SO₂ column The ICE table is written correctly The assumption that x is negligible is correct The assumption that x is negligible is incorrect The equilibrium expression contains 1 error; the exponent on 50, is missing/incorrect The equilibrium expression contains 1 error; the exponent on 50₂ is missing/incorrect The equilibrium expression is written inverted; should be reactants/products The equilibrium expression is written correctly An error exists when solving for x; missed expanding the expression in the numerator with the variable An error exists when solving for x square root is taken before dividing by the co- efficient Missing step before determining for the final concentration; dinot multiply the final value by 2 No additional steps were required after calculating x An error exists when solving for x square root is taken before dividing by the co- efficient Missing step before determining for the final concentration; did not multiply the final value by 2 No additional steps were required after calculating

So, Keq SOO 2.5x10- [2x] 0.0200.050 2.5x10-9-2x² √2.5x10-9 22x10¹5-x Final answer - The concentration of 50, is 2.5x10 mol/L Final answer - The concentration of 50, is 2.5x105 mol/L Select all statements that are TRUE from the list below Select 6 comectwer The ICE table contains 1 error, in the SO₂ column The ICE table contains 1 error, in the SO₂ column The ICE table is written correctly The assumption that x is negligible is correct The assumption that x is negligible is incorrect The equilibrium expression contains 1 error; the exponent on 50, is missing/incorrect The equilibrium expression contains 1 error; the exponent on 50₂ is missing/incorrect The equilibrium expression is written inverted; should be reactants/products The equilibrium expression is written correctly An error exists when solving for x; missed expanding the expression in the numerator with the variable An error exists when solving for x square root is taken before dividing by the co- efficient Missing step before determining for the final concentration; dinot multiply the final value by 2 No additional steps were required after calculating x An error exists when solving for x square root is taken before dividing by the co- efficient Missing step before determining for the final concentration; did not multiply the final value by 2 No additional steps were required after calculating

Appl Of Ms Excel In Analytical Chemistry
Appl Of Ms Excel In Analytical Chemistry
2nd Edition
ISBN:9781285686691
Author:Crouch
Publisher:Crouch
Chapter4: Least-squares And Calibration Methods
Section: Chapter Questions
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So, Keq SOO 2.5x106- [2x] 0.020 0.050 2.5x102x² √2.5x10-9 - 2x 2.2x10¹5-x Final answer - The concentration of 50, is 2.5x10 mol/L Final answer - The concentration of 50, is 2.5x105 mol/L Select all statements that are TRUE from the list below Select 6 comect wer The ICE table contains 1 error, in the SO₂ column The ICE table contains 1 error, in the SO₂ column The ICE table is written correctly The assumption that x is negligible is correct The assumption that x is negligible is incorrect The equilibrium expression contains 1 error, the exponent on SO, is missing/incorrect The equilibrium expression contains 1 error; the exponent on 50₂ is missing/incorrect The equilibrium expression is written inverted; should be reactants/products The equilibrium expression is written correctly An error exists when solving for x; missed expanding the expression in the numerator with the variable An error exists when solving for x square root is taken before dividing by the co- efficient Missing step before determining for the final concentration; dinot multiply the final value by 2 No additional steps were required after calculating x An error exists when solving for x; square root is taken before dividing by the co- efficient Missing step before determining for the final concentration; did not multiply the final value by 2 No additional steps were required after calculating x
Transcribed Image Text:So, Keq SOO 2.5x106- [2x] 0.020 0.050 2.5x102x² √2.5x10-9 - 2x 2.2x10¹5-x Final answer - The concentration of 50, is 2.5x10 mol/L Final answer - The concentration of 50, is 2.5x105 mol/L Select all statements that are TRUE from the list below Select 6 comect wer The ICE table contains 1 error, in the SO₂ column The ICE table contains 1 error, in the SO₂ column The ICE table is written correctly The assumption that x is negligible is correct The assumption that x is negligible is incorrect The equilibrium expression contains 1 error, the exponent on SO, is missing/incorrect The equilibrium expression contains 1 error; the exponent on 50₂ is missing/incorrect The equilibrium expression is written inverted; should be reactants/products The equilibrium expression is written correctly An error exists when solving for x; missed expanding the expression in the numerator with the variable An error exists when solving for x square root is taken before dividing by the co- efficient Missing step before determining for the final concentration; dinot multiply the final value by 2 No additional steps were required after calculating x An error exists when solving for x; square root is taken before dividing by the co- efficient Missing step before determining for the final concentration; did not multiply the final value by 2 No additional steps were required after calculating x
D 15 W X 18 9 15 18 Question 20 ( A friend gives you their work to check. The reaction is 2502 (8) + O₂ (8) 2503 (8) # 3 e d Givens [SO₂] -0.020 mol/L [0₂] 0.050 mol/L Keq - 2.5x10-6 Carefully inspect all the work that follows. The ICE table, the equilibrium expression and the mathematical steps. N C 2 C C E SO₂ (8) 0.020 -X 2.000 с $ 4 r f SO₂ (8) 0.020 V -X 0.020-x 0₂ (8) 0.050 -X 0.050 % 5 t g Oll 6 0₂ (8) 0.050 b -X 0.050-x "assumes that x is negligible* [SO₂)² Keq SO₂][0₂] W [2x]2 [0.020][0.050] 2503 (8) 0 +2x y h & 7 O 1 u n * 00 8 j 2503 (8) 0 +2x 2x O I m 2.5x10-6 M 2.5x10-⁹ = 2x² √2.5x109 - 2x 2.2x10-5 = x Final answer - The concentration of SO3 is 2.5x10-5 mol/L 9 k * O 1 0 < Р
Transcribed Image Text:D 15 W X 18 9 15 18 Question 20 ( A friend gives you their work to check. The reaction is 2502 (8) + O₂ (8) 2503 (8) # 3 e d Givens [SO₂] -0.020 mol/L [0₂] 0.050 mol/L Keq - 2.5x10-6 Carefully inspect all the work that follows. The ICE table, the equilibrium expression and the mathematical steps. N C 2 C C E SO₂ (8) 0.020 -X 2.000 с $ 4 r f SO₂ (8) 0.020 V -X 0.020-x 0₂ (8) 0.050 -X 0.050 % 5 t g Oll 6 0₂ (8) 0.050 b -X 0.050-x "assumes that x is negligible* [SO₂)² Keq SO₂][0₂] W [2x]2 [0.020][0.050] 2503 (8) 0 +2x y h & 7 O 1 u n * 00 8 j 2503 (8) 0 +2x 2x O I m 2.5x10-6 M 2.5x10-⁹ = 2x² √2.5x109 - 2x 2.2x10-5 = x Final answer - The concentration of SO3 is 2.5x10-5 mol/L 9 k * O 1 0 < Р
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