A chemistry graduate student is given 300. ml of a 0.90M dimethylamine ((CH) NH) solution. Dimethylamine is a weak base with K,- 5.4 x 10 What mass of (CH,) NH,Br should the student dissolve in the (CH,), NH solution to turn it into a buffer with pH-10.21? You may assume that the volume of the solution doesn't change when the (CH,) NH,Br is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits.
A chemistry graduate student is given 300. ml of a 0.90M dimethylamine ((CH) NH) solution. Dimethylamine is a weak base with K,- 5.4 x 10 What mass of (CH,) NH,Br should the student dissolve in the (CH,), NH solution to turn it into a buffer with pH-10.21? You may assume that the volume of the solution doesn't change when the (CH,) NH,Br is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits.
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![A chemistry graduate student is given 300. ml of a 0.90M dimethylamine ((CH) NH solution. Dimethylamine is a weak base with K,=5.4 x 10.
What mass of (CH,) NH,Br should the student dissolve in the (CH), NH solution to turn it into a buffer with pH - 10.21?
You may assume that the volume of the solution doesn't change when the (CH,) NH,Br is dissolved in it. Be sure your answer has a unit symbol, and
round it to 2 significant digits.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F37cde6b5-e046-41dd-a8b7-3eedcf8f1ca8%2Fa079cf22-a2ca-48bb-9e6f-cd5160c74bd7%2Fq1vhn2i_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A chemistry graduate student is given 300. ml of a 0.90M dimethylamine ((CH) NH solution. Dimethylamine is a weak base with K,=5.4 x 10.
What mass of (CH,) NH,Br should the student dissolve in the (CH), NH solution to turn it into a buffer with pH - 10.21?
You may assume that the volume of the solution doesn't change when the (CH,) NH,Br is dissolved in it. Be sure your answer has a unit symbol, and
round it to 2 significant digits.
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