73. When a 1.00 mL of the M solution of organic acid is diluted with 9.00 mL of ether, forming solution A and then 2.00 mL of the solution A is diluted with 8.00 mL of ether, forming solution B. What is the concentration of solution B? (A) (B)(C) (D) (E)

73. When a 1.00 mL of the M solution of organic acid is diluted with 9.00 mL of ether, forming solution A and then 2.00 mL of the solution A is diluted with 8.00 mL of ether, forming solution B. What is the concentration of solution B?
(A)
(B)
(C)
(D)
(E)

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統計： A(1), B(1), C(3), D(0), E(55) #2751688

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2025/10/21

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80. Which of the following statements about “The Bohr Model” and “Particle in a Box” is TRUE? (A) For an electron trapped in a one-dimensional box, as the length of the box increases, the spacing between energy levels will increase. (B) The total probability of finding a particle in a one-dimensional box (length is L) in energy level n = 4 between x = L/4 and x = L/2 is 50%. (C) If the wavelength of light necessary to promote an electron from the ground state to the first excited state is λ in a one-dimensional box, then the wavelength of light necessary to promote an electron from the first excited state to the third excited state will be 3λ. (D) A function of the type A cos(Lx) can be an appropriate solution for the particle in a onedimensional box. (E) Assume that a hydrogen atom’s electron has been excited to the n = 5 level. When this excited atom loses energy, 10 different wavelengths of light can be emitted.

73. When a 1.00 mL of the M solution of organic acid is diluted with 9.00 mL of ether, forming solution A and then 2.00 mL of the solution A is diluted with 8.00 mL of ether, forming solution B. What is the concentration of solution B?
(A)
(B)
(C)
(D)
(E)

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73. When a 1.00 mL of the M solution of organic acid is diluted with 9.00 mL of ether, forming solution A and then 2.00 mL of the solution A is diluted with 8.00 mL of ether, forming solution B. What is the concentration of solution B?(A) (B)(C) (D) (E)

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73. When a 1.00 mL of the M solution of organic acid is diluted with 9.00 mL of ether, forming solution A and then 2.00 mL of the solution A is diluted with 8.00 mL of ether, forming solution B. What is the concentration of solution B?
(A)
(B)
(C)
(D)
(E)