Jul 11, 2012 · ch3coona是弱鹼鹽類!! 原因如下: 要判斷鹽類酸鹼性需考慮該鹽類在水中的自解離. ch3coo(帶1負電荷)在水中解離方程式為. ch3coo- +h2o→ch3cooh+oh-(應是雙箭頭,但我打不出) na+在水中不自解離(強鹼性陽離子) 因此,ch3coona在水中就成弱鹼性了! 2012-07-14 11:50:18 補充:
What's your Point? Like many things in the chemical world, the shape and structure of a molecule is an important determinant of its function. The importance of the bent structure of water is that it provides water with two distinct "sides": One side of the water molecule has two negative lone pairs, while the other side presents the two hydrogens.
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In this video we will look at the equation for CH3COOH + H2O and write the products. When we add CH3COOH to H2O the CH3COOH will dissociate and break into ...

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  • Get an answer for 'A solution of sodium hydroxide was prepared by dissolving 4.0 g of sodium hydroxide, NaOH(s), in 250 ml of water. It was found that 20.0 mL of the sodium hydroxide solution ...
  • Rapid - CH3COONa.3H2O - Sodium Acetate 3-Water LR (Sodium Ethanoate) (CH3COONa.3H2O) 500g - <p>Please refer to the pdf datasheet for full details of this

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Dec 23, 2018 · Calcula el pH de una disolución de CH3COONa 0,36 M. 𝐾𝑏 = 𝐾 𝑤 𝐾𝑎 = 10−14 1,8 · 10−5 = 5,56 · 10−10 CH3COONa CH3COO- + Na+ CH3COO- (ac) + H2O (l) CH3COOH (ac) + OH- (ac) 0,36 M -- -- 0,36 - x x x 5,56 · 10−10 = 𝑥2 0,36 − 𝑥 = 𝑥2 0,36 ; 𝒙 = 𝟏, 𝟒𝟏 · 𝟏𝟎−𝟓 𝑴 𝑝𝑂𝐻 = − log ...

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  • FeCl3 + CH3COONa + H2O = Fe(OH)3 + NaCl + CH3COOH - 균형 화학 방정식 계산기 균형 화학 방정식 FeCl 3 + 3 CH 3 COONa + 3 H 2 O → Fe(OH) 3 + 3 NaCl + 3 CH 3 COOH
  • Design an Air Bag Balanced equation: NaHCO3(s) + CH3COOH(aq) → (sodium bicarbonate) + (acetic acid) CO2(g) + NaCH3CO2(aq) + H2O(l) → (carbon dioxide) + (sodium acetate) + (water) Balanced equation tells us the ratio of reactants to maximize the product.

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Jan 31, 2010 · CH3COOH + H2O = CH3COO(-) + H3O(+) H3O(+) est bcq plus fort en tant qu’acide que ne l’est CH3COO(-) en tant que base, donc plus tu as ajouteras d’acide plus le pH diminuera (jusqu’à pH = pKa), a contrario plus tu dilueras cet acide (avec de l’eau pure) plus le pH augmentera (jusqu’à pH = 7).

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Dec 23, 2018 · Calcula el pH de una disolución de CH3COONa 0,36 M. 𝐾𝑏 = 𝐾 𝑤 𝐾𝑎 = 10−14 1,8 · 10−5 = 5,56 · 10−10 CH3COONa CH3COO- + Na+ CH3COO- (ac) + H2O (l) CH3COOH (ac) + OH- (ac) 0,36 M -- -- 0,36 - x x x 5,56 · 10−10 = 𝑥2 0,36 − 𝑥 = 𝑥2 0,36 ; 𝒙 = 𝟏, 𝟒𝟏 · 𝟏𝟎−𝟓 𝑴 𝑝𝑂𝐻 = − log ...

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NaOH + CH3COOH = CH3COONa + H2O calculate the mass concentration in gdm-3 of the orinigal viniger CHEMISTRY The major component of vinegar is acetic acid CH3COOH.

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May 25, 2014 · The carbonic acid formed in Step 1 decomposes into CO₂ and water. H₂CO₃ (aq) → CO₂ (g) + H₂O (l) This is a decomposition reaction, because one substance is converted into two different substances.

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Jan 31, 2014 · Experiment 1 (CH3COOH + NaHCO3 ---> CH3COONa + H2O + CO2) Pour 10 mL of vinegar into a test tube (approximately 57 mL) - Add approximately 0.5 grams of baking soda (sodium bicarbonate). Cap quickly with balloon.

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Oct 28, 2012 · Calculate the pH of a 0.33M solution of CH3COONa? Treat this as a base hydrolysis problem since CH3COO- is the conjugate base of CH3COOH. CH3COO- + H2O <==> CH3COOH + OH- Kb = Kw / Ka = 1 x 10^-14 / 1.8 x 10^-5 = 5.6 x 10^-10.

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