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A chemistry graduate student is given 250. mL of a 0.70 M dimethylamine ((CH3)₂NH) solution. Dimethylamine is a weak base with K₁=5.4×10. What mass of (CH3)₂NH₂Br should the student dissolve in the (CH3), NH solution to turn it into a buffer with pH = 10.22? You may assume that the volume of the solution doesn't change when the (CH3)₂NH₂Br is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. 0 X 3 ? do

A chemistry graduate student is given 250. mL of a 0.70 M dimethylamine ((CH3)₂NH) solution. Dimethylamine is a weak base with K₁=5.4×10. What mass of (CH3)₂NH₂Br should the student dissolve in the (CH3), NH solution to turn it into a buffer with pH = 10.22? You may assume that the volume of the solution doesn't change when the (CH3)₂NH₂Br is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. 0 X 3 ? do

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter2: Chemical Compounds
Section: Chapter Questions
Problem 143QRT: The present average concentration (mass percent) of magnesium ions in seawater is 0.13%. A chemistry...
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G An analytical chemist X (255) Full video: ✔ X O Significant Figures Cal X G quadratic formula - GX www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-lgNslkr7j8P3jH-lvdw7xgLCkqMfg8yaFKbD9GafJstkYLIJnusCYW-8Plu0Zm9rOCdvJj5uyt0k7WayAJOAy38y8TYtBxtJzbSMgeoleBOTCRR... Q T LI Type here to search ALEKS - Rafia Riaz - K₁ X = Module Knowledge Check Suppose a 0.019M aq X C | Chegg.com 0 A chemistry graduate student is given 250. mL of a 0.70 M dimethylamine ((CH3), NH) : solution. Dimethylamine is a weak base with K₂ = 5.4 × 104. What mass of (CH3)₂NH₂Br should the student dissolve in the (CH3)₂NH solution to turn it into a buffer with pH = 10.22? I Don't Know You may assume that the volume of the solution doesn't change when the (CH³)₂NH₂Br is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. Et X Submit x10 Question 5 ( 3 Rafia V 634 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility (?) 54°F Sunny + M 8:46 PM 5/1/2023 x : M
Transcribed Image Text:G An analytical chemist X (255) Full video: ✔ X O Significant Figures Cal X G quadratic formula - GX www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-lgNslkr7j8P3jH-lvdw7xgLCkqMfg8yaFKbD9GafJstkYLIJnusCYW-8Plu0Zm9rOCdvJj5uyt0k7WayAJOAy38y8TYtBxtJzbSMgeoleBOTCRR... Q T LI Type here to search ALEKS - Rafia Riaz - K₁ X = Module Knowledge Check Suppose a 0.019M aq X C | Chegg.com 0 A chemistry graduate student is given 250. mL of a 0.70 M dimethylamine ((CH3), NH) : solution. Dimethylamine is a weak base with K₂ = 5.4 × 104. What mass of (CH3)₂NH₂Br should the student dissolve in the (CH3)₂NH solution to turn it into a buffer with pH = 10.22? I Don't Know You may assume that the volume of the solution doesn't change when the (CH³)₂NH₂Br is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. Et X Submit x10 Question 5 ( 3 Rafia V 634 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility (?) 54°F Sunny + M 8:46 PM 5/1/2023 x : M
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