Video: Puas yog sodium hydrogen carbonate sib tov?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Sodium hydrogen carbonate yog siv nyob rau hauv cov tshuaj (feem ntau raws li ib tug antacid), raws li ib tug leavening neeg sawv cev nyob rau hauv ci (nws yog "baking soda"), thiab nyob rau hauv lub tsim ntawm sodium carbonate , Na2CO3. "Baking hmoov" yog ib sib tov yog tsim los ntawm NaHCO3.
Tom qab ntawd, yog sodium hydrogen carbonate ib qho sib xyaw lossis sib xyaw?
Baking soda yog ib tug compound vim nws yog tsim los ntawm molecues uas yog txhua yam zoo tib yam. Nws muaj cov tshuaj formula thiab tshuaj lub npe sodium hydrogen carbonate. (Nws hu ua sodium bicarbonate nyob rau hauv ib tug laus naming system.) Cov ntsiab lus thiab cov tebchaw yog ob qho tib si ntshiab tshuaj, muaj tag nrho cov zoo tib yam hais.
Ib tug kuj nug, puas yog sodium bicarbonate thiab sodium hydrogen carbonate tib yam? Ib qho kev sib xyaw ntawm sodium thiab acid, sodium carbonate feem ntau hu ua tshauv dej qab zib thiab ntxuav dej qab zib . Lub caij no, sodium bicarbonate yog sodium hydrogen carbonate , bearing cov tshuaj formula NaHCO3. Nws yog tsim los ntawm sodium , hydrogen , thiab acids. Sodium bicarbonate yog nrov npe ci dej qab zib.
Yog li ntawd, sodium hydrogen carbonate yog dab tsi?
Sodium bicarbonate (IUPAC lub npe: sodium hydrogen carbonate ), feem ntau hu ua baking soda, yog cov tshuaj sib xyaw nrog cov mis NaHCO3. Nws yog ntsev tsim ntawm a sodium kev (Na+) thiab a bicarbonate anion (HCO3−). Sodium bicarbonate yog cov khoom dawb uas yog crystalline, tab sis feem ntau tshwm li cov hmoov zoo.
Vim li cas sodium hydrogen carbonate ntxiv rau qhov sib tov?
Sodium hydrogen carbonate (tseem hu ua baking soda) yog ntsev uas muaj lub hauv paus muaj zog conjugate (the hydrogen carbonate ion). Ib zaug hauv daws , cov kua qaub yuav pub ib tug proton (los yog hydrogen ion) rau hydrogen carbonate ion, tsim carbonic acid. Carbonic acid spontaneously decomposes tsim carbon dioxide.
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