QUESTION 11 A student titrates 26.5 mL of a sulfuric acid solution with 0.750 M NaOH. The color change indicates that it takes exactly 47.9 mL of the NaOH solution for the reaction to go to completion. What was the concentration of the original H₂SO4 solution? (Write your answer in 3 significant figures)? The balanced equation is: H₂SO4 (aq) + 2 NaOH (aq) → 2 H₂0 (1) + Na2SO4 QUESTION 12 Metals frequently adopt solid-state structures which can be described is terms of cubic, face-centered cubic or body-centered cubic unit cells with metal atoms located at the lattice points. Ni is face-centered cubic, Fe is body-centered cubic and Ga is simple cubic. Which description below correctly indicates the number of metal atoms per unit cell? OA. Fe OB. Fe 1 OC. Fe 2 OD. Fe 9 OE. Fe Ga 1 2 4 ZN ZN Z Z + zo " Ni Ga Ni 4 Ga Ni 4 1 Ga 8 Ga Ni 8 Ni 14

QUESTION 11 A student titrates 26.5 mL of a sulfuric acid solution with 0.750 M NaOH. The color change indicates that it takes exactly 47.9 mL of the NaOH solution for the reaction to go to completion. What was the concentration of the original H₂SO4 solution? (Write your answer in 3 significant figures)? The balanced equation is: H₂SO4 (aq) + 2 NaOH (aq) → 2 H₂0 (1) + Na2SO4 QUESTION 12 Metals frequently adopt solid-state structures which can be described is terms of cubic, face-centered cubic or body-centered cubic unit cells with metal atoms located at the lattice points. Ni is face-centered cubic, Fe is body-centered cubic and Ga is simple cubic. Which description below correctly indicates the number of metal atoms per unit cell? OA. Fe OB. Fe 1 OC. Fe 2 OD. Fe 9 OE. Fe Ga 1 2 4 ZN ZN Z Z + zo " Ni Ga Ni 4 Ga Ni 4 1 Ga 8 Ga Ni 8 Ni 14

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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