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
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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
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3
Rafia V
634
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