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Sodium Hydrosulfide a Wɔyɛ denam Sodium Ethoxide & H2S so

2. 2.025-08-13 na ɔkyerɛwee

Ahosiesie denam Sodium Ethoxide ne Dry Hydrogen Sulfide so

Mfiri a Wɔde Yɛ Adwuma:

Wɔde 150 mL flask a ɛwɔ sidearm ahyɛ mu 20 mL a wɔayɛ no foforo Ethanol a Nsu nnim ne Sodium dade asinasin a ɛho tew 2 g (a oxide nni mu) ..

Wɔde reflux condenser ne drying tube ahyɛ flask no mu, na wɔde sidearm no ahyɛ mu bere tiaa bi.

Bere a sodium ethoxide afi ase ayɛ akyi no, foforo 4. 4.0 mL a ɛyɛ ethanol a nsu nnim wɔde ka ho afã horow kosi sɛ ɛbɛtetew koraa.

Nneyɛe a ɛne Dry H2S yɛ:

Wɔde ahwehwɛ afiri bi fa sidearm no mu hyɛ aduru no mu, na wɔde H2S mframa a ɛyɛ dry no bubbled mu (hwɛ hu sɛ mframa ntumi nkɔ mu na mframa ankɔ mu).

Wɔde H2S hyɛ aduru no mu ma, afei woyiyi mu de yi nsu a ɛtɔ biara fi mu.

Wɔde filtrate no kɔ dry conical flask mu, na 50 mL a ɛyɛ ether a ɛyɛ pɛpɛɛpɛ wɔde ka ho, na ɛma NaHS fitaa ba ntɛm ara.

Wɔde ether foforo (~110 mL nyinaa) ka ho wɔ afã horow kosi sɛ osu foforo biara rentɔ.

Wɔde ether a ɛyɛ pɛpɛɛpɛ hohoro nsuo a ɛtɔ no ntɛmntɛm, na wɔma ɛyow wɔ vacuum ase.

Ade no yɛ nea ɛho tew wɔ nhwehwɛmu mu. Sɛnea ɛbɛyɛ a ɛho tew kɛse no, wobetumi ayɛ recrystallization afi ethanol/ether mu.