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: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section3.11: Stoichiometry In Aqueous Solutions
Problem 3.28E: Sodium chloride is used in intravenous solutions for medical applications. The NaCl concentration in...
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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 H₂O (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
4
OB. Fe
1
OC. Fe
2
OD. Fe
9
OE. Fe
14
NN NN N
Ni
Ni
Ni
4
Ni
14
Ni
9
Ga
1
Ga
4
Ga
1
Ga
8
Ga
8
save all answers.
Transcribed Image Text: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 H₂O (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 4 OB. Fe 1 OC. Fe 2 OD. Fe 9 OE. Fe 14 NN NN N Ni Ni Ni 4 Ni 14 Ni 9 Ga 1 Ga 4 Ga 1 Ga 8 Ga 8 save all answers.
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