Video: Puas yog sodium hydroxide react nrog vinegar?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Cov acetic acid (HC2H3O2) pom nyob rau hauv lub vinegar yuav teb nrog lub NaOH kom txog rau thaum tag nrho cov acetic acid yog neutralized. Thaum muaj acid, xws li acetic acid reacts nrog abase zoo li NaOH Cov khoom yog ntsev (NaC2H3O2, sodium acetate) thiab dej (H2O). Qhov no txhais tau tias koj muaj 25.00 gof vinegar hauv koj lub khob.
Tom qab ntawd, dab tsi tshwm sim nrog sodium hydroxide?
Chemical Properties Cov hydroxide ion ua sodium hydroxide lub hauv paus muaj zog uas reacts nrog cov kua qaub los tsim cov dej thiab cov ntsev sib xws, piv txwv li, nrog hydrochloric kua qaub , sodium chloride yog tsim: NaOH (aq) + HCl(aq) → NaCl(aq) + H2O (l)
Dab tsi ntsev yog tsim ntawm acetic acid reacts nrog sodium hydroxide? Neutralization cov tshuaj tiv thaiv yog cov cov tshuaj tiv thaiv qhov twg acid reacts nrog puag rau daim ntawv ntsev thiab dej. Yog li Acetic acid (CH3COH) reacts nrog SodiumHydroxide ( NaOH ) ua form Sodium Acetate (CH3COONa) ntsev thiab dej (H2O).
Ua li no hauv kev xav, yuav ua li cas thaum koj ntxiv phenolphthalein rau sodium hydroxide?
Kev piav qhia: Thaum lub sodium hydroxide , uas yog lub hauv paus, yog tov nrog phenolphthalein , nws puv liab. Qhov no tshwm sim vim hais tias lub hauv paus yog neutralized nyob rau hauv ib tug acid tov, uas ua rau qhov taw qhia los ua colorless.
Puas yog acetic acid thiab sodium hydroxide tsis tuaj yeem?
Ib tug sib tov ntawm acetic acid thiab sodium acetate isacidic vim Ka ntawm acetic acid yog loj dua Kb ntawm nws conjugate puag acetate. Nws yog ib qho tsis vim nws muaj ob lub zog kua qaub thiab nws cov ntsev. Yog peb ntxiv ib lub hauv paus xws li sodium hydroxide , cov hydroxide ions react nrog ob peb hydronium ions tam sim no.
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Cov tshuaj tiv thaiv ntawm acetic acid thiab sodium hydroxide yog dab tsi?
Thaum sib tov, cov tshuaj tiv thaiv neutralization tshwm sim ntawm sodium hydroxide thiab acetic acid nyob rau hauv vinegar: NaOH (aq) + HC2H3O2 (aq) → NaC2H3O2 (aq) + H2O (l) Cov sodium hydroxide yuav maj mam ntxiv rau cov vinegar hauv me me los ntawm ib burette