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(3) Which of the following has the highest (Y) concentration of K ion? (A) 0.02 M KCI (C) 0.08 M K3PO4 (B) 0.15 M K₂CrO4 (D) 0.05 M K₂CO3

(3) Which of the following has the highest (Y) concentration of K ion? (A) 0.02 M KCI (C) 0.08 M K3PO4 (B) 0.15 M K₂CrO4 (D) 0.05 M K₂CO3

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Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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(1) The molarity (M) of 5.00 g of C6H12O6 in 100 ml solution is: (A) 1.32 (B) 0.278 (C) 0.145 (D) 0.085 (2) What is the volume (mL) of 3.0 M H₂SO4 are needed (4) to make 450 mL of 0.1 M H₂SO4? (A) 20 (B) 40 (C) 15 (D) 5.0 (3) Which of the following has the highest (1) concentration of K ion? (A) 0.02 M KCI (C) 0.08 M K3PO4 (4) What mass (g) of NaCl is needed to precipitate () the Ag+ ions from 20.0 mL of 0.100 M AgNO3 solution? (A) 0.117 (B) 0.999 (C) 2.817 (D) 2.866 (5) What volume (mL) of 0.1 M HCl is needed to neutralize (Jals Jeli) 25.0 mL of 0.35M NaOH? (A) 175 (B) 20 (C) 87.5 (D) 66.6 (6) The wavelength (nm) of an electron drops (J) from n = 5 →n=2 is: (A) 486 (B) 435 (C) 93.8 (B) 0.15 M K₂CrO4 (D) 0.05 M K₂CO3 (D) 656 (7) Which of the following is a correct set (e) of quantum numbers in hydrogen atom? (A) n=2, 1=1, m₁ = +1 (C) n = 4, 1=2, m₁ = -3 (A) 4 (8) After balancing the following redox equation in acidic medium, the coefficient (all) of Cr₂O7² is: Cr₂O72- + H₂S → Cr³+ + S (C) 1 (B) 3 (B) n = 1, 1-0, m₁ = -1 (D) n = 3, 1-3, m₁ = 0 (D) 2
Transcribed Image Text:(1) The molarity (M) of 5.00 g of C6H12O6 in 100 ml solution is: (A) 1.32 (B) 0.278 (C) 0.145 (D) 0.085 (2) What is the volume (mL) of 3.0 M H₂SO4 are needed (4) to make 450 mL of 0.1 M H₂SO4? (A) 20 (B) 40 (C) 15 (D) 5.0 (3) Which of the following has the highest (1) concentration of K ion? (A) 0.02 M KCI (C) 0.08 M K3PO4 (4) What mass (g) of NaCl is needed to precipitate () the Ag+ ions from 20.0 mL of 0.100 M AgNO3 solution? (A) 0.117 (B) 0.999 (C) 2.817 (D) 2.866 (5) What volume (mL) of 0.1 M HCl is needed to neutralize (Jals Jeli) 25.0 mL of 0.35M NaOH? (A) 175 (B) 20 (C) 87.5 (D) 66.6 (6) The wavelength (nm) of an electron drops (J) from n = 5 →n=2 is: (A) 486 (B) 435 (C) 93.8 (B) 0.15 M K₂CrO4 (D) 0.05 M K₂CO3 (D) 656 (7) Which of the following is a correct set (e) of quantum numbers in hydrogen atom? (A) n=2, 1=1, m₁ = +1 (C) n = 4, 1=2, m₁ = -3 (A) 4 (8) After balancing the following redox equation in acidic medium, the coefficient (all) of Cr₂O7² is: Cr₂O72- + H₂S → Cr³+ + S (C) 1 (B) 3 (B) n = 1, 1-0, m₁ = -1 (D) n = 3, 1-3, m₁ = 0 (D) 2
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