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B. 4.15 g C. 10.4 g D. 1.49g Q2. A 47.27 g of Ca(OH)2 is dissolved in water to make 2.5 L of solution. How many mL of this solution mu be diluted with water to make 1.0 L of 0.10 M Ca(OH)₂? B. 658 mL C. 18.5 mL. D. 3.34 ml A. 392.1 mL Q3. Arrange the following in

B. 4.15 g C. 10.4 g D. 1.49g Q2. A 47.27 g of Ca(OH)2 is dissolved in water to make 2.5 L of solution. How many mL of this solution mu be diluted with water to make 1.0 L of 0.10 M Ca(OH)₂? B. 658 mL C. 18.5 mL. D. 3.34 ml A. 392.1 mL Q3. Arrange the following in

Chemistry
Chemistry
10th Edition
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Choose the best answer. Q1. What mass of K₂CO3 is needed to prepare 200 mL of a solution having a potassium ion concentration c 0.150 M? A. 2.07 B. 4.15 g C. 10.4 g D. 1.49g Q2. A 47.27 g of Ca(OH)2 is dissolved in water to make 2.5 L of solution. How many mL of this solution mu be diluted with water to make 1.0 L of 0.10 M Ca(OH)₂? B. 658 mL D. 3.34 ml A. 392.1 mL Q3. Arrange the following in order of increasing first ionization energy. A. Ca<Ba<P<S B. Ca<Ba<S<P C. Ba<Ca<S<P D. Ba<Ca<P<S Which pair of ions will not form a precipitate (soluble) when their solutions are mixed? A. Ca²+, SO4²- B. Ag+, NO3 C. AP¹+, PO¹ D. Pb, OH 5. Calculate the molar mass of the acid when 0.425 g sample of H₂X acid is completely neutralized with 34.6 mL of 0.151 M NaOH. A. 162.8 g/mol B. 246.8 g/mol C) 173 g/mol D. 82.9 g/mol Q6. Calculate ) of the light emitted by a H atom if an electron falls from n=7 to n-4 principal energy level. B. 1.010 10³ nm A. 4.450 x 10-22 nm C. 9.180 10-20 nm D.2.166 10's C. 18.5 mL Q7. The electron configuration for the sulfur ion (S²) is? A. 1s 2s 2p 3s 3p² B. 1s²2s²2p 3s²3p (n, 1, m, m.) for an electron in a 5f orbital B. (5, 2, 3, 1/2) Q8. The correct set of quantum numbers A. (4, 2, 1, 1/2) C. (5, 2, 0, 1/2) Q9. Which one of the following is the correct order for atomic radius? (Smallest to largest) B. F<Ca<P A. Ca<P <F C. Ca < F<P incorrectly? Q10. Which of the following is paired A. C6H12O6 nonelectrolyte C. Na(OH) strong electrolyte C. [Ne]3s 3p 4s Q11. Which of the following frequencies corresponds to light with the longest wavelength? B. 4.12 x 10³ s¹ A..3.00 × 10¹3 ¹ C. 8.50 100 ¹ A. 1, 1, 1 B. HNO, weak electrolyte D. HCI strong electrolyte D. [Ne]3s 3p D. (5, 3,-1,-1/2) D. F<P <Ca Q12. The spectator ions in the following reaction are? Pb(NO3)2+ 2NaC1→ PbCl₂ + 2NaNO, B. Pb2+, NO3- A. Na²+, NO3- C. NO, CH- D. 9.12 - 102 D. Pb, C1- Q13. When the following equation is balanced in acidic solution, the coefficients for Cr₂O, I and Cr respectively are? r Cr₂O72 (aq) +1¹(q) →→ Cr+ (aq) + 10) (q) C. 1, 1,2 B. 1, 1,2 D. 2, 1, 1
Transcribed Image Text:Choose the best answer. Q1. What mass of K₂CO3 is needed to prepare 200 mL of a solution having a potassium ion concentration c 0.150 M? A. 2.07 B. 4.15 g C. 10.4 g D. 1.49g Q2. A 47.27 g of Ca(OH)2 is dissolved in water to make 2.5 L of solution. How many mL of this solution mu be diluted with water to make 1.0 L of 0.10 M Ca(OH)₂? B. 658 mL D. 3.34 ml A. 392.1 mL Q3. Arrange the following in order of increasing first ionization energy. A. Ca<Ba<P<S B. Ca<Ba<S<P C. Ba<Ca<S<P D. Ba<Ca<P<S Which pair of ions will not form a precipitate (soluble) when their solutions are mixed? A. Ca²+, SO4²- B. Ag+, NO3 C. AP¹+, PO¹ D. Pb, OH 5. Calculate the molar mass of the acid when 0.425 g sample of H₂X acid is completely neutralized with 34.6 mL of 0.151 M NaOH. A. 162.8 g/mol B. 246.8 g/mol C) 173 g/mol D. 82.9 g/mol Q6. Calculate ) of the light emitted by a H atom if an electron falls from n=7 to n-4 principal energy level. B. 1.010 10³ nm A. 4.450 x 10-22 nm C. 9.180 10-20 nm D.2.166 10's C. 18.5 mL Q7. The electron configuration for the sulfur ion (S²) is? A. 1s 2s 2p 3s 3p² B. 1s²2s²2p 3s²3p (n, 1, m, m.) for an electron in a 5f orbital B. (5, 2, 3, 1/2) Q8. The correct set of quantum numbers A. (4, 2, 1, 1/2) C. (5, 2, 0, 1/2) Q9. Which one of the following is the correct order for atomic radius? (Smallest to largest) B. F<Ca<P A. Ca<P <F C. Ca < F<P incorrectly? Q10. Which of the following is paired A. C6H12O6 nonelectrolyte C. Na(OH) strong electrolyte C. [Ne]3s 3p 4s Q11. Which of the following frequencies corresponds to light with the longest wavelength? B. 4.12 x 10³ s¹ A..3.00 × 10¹3 ¹ C. 8.50 100 ¹ A. 1, 1, 1 B. HNO, weak electrolyte D. HCI strong electrolyte D. [Ne]3s 3p D. (5, 3,-1,-1/2) D. F<P <Ca Q12. The spectator ions in the following reaction are? Pb(NO3)2+ 2NaC1→ PbCl₂ + 2NaNO, B. Pb2+, NO3- A. Na²+, NO3- C. NO, CH- D. 9.12 - 102 D. Pb, C1- Q13. When the following equation is balanced in acidic solution, the coefficients for Cr₂O, I and Cr respectively are? r Cr₂O72 (aq) +1¹(q) →→ Cr+ (aq) + 10) (q) C. 1, 1,2 B. 1, 1,2 D. 2, 1, 1
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