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- + NaOCI NaOH H₂O ?16 The odor of fish is due primarily to amines, especially methylamine (CH3NH₂). Fish is often served with a wedge of lemon, which contains citric acid. The methylamine reacts with the citric acid to form an odorless product, methylammonium citrate, thereby making less-than- fresh fish more appetizing. K₁ for CH3NH₂ = 4.407 × 10-4 CH₂NH₂ (aq) + H₂O(1)⇒ CH₂NH3(aq) + OH(aq) A. B. What is the pH of a solution that is 0.7625 M in methylamine at 25.0 °C? pH = Please provider your answer below. t Check answer → A (0) Check answer What is the pH of a solution that is 7.007×104 M in methylamine? pH = Please provider your answer below. (0c) OMe CN hv
- 1. A buffer is prepared using lactic acid (HLac) and sodium lactate (NaLac). 0.300 dm3 of the 0.500 mol·dm–3 HLac solution is mixed with 0.300 dm3 of the 0.300 mol·dm–3 NaLac solution to prepare the buffer. Ka for lactic acid (HLac) is 1.4 x 10-4 What will the pH of the above solution be after 5.0 cm3 of 0.200 mol·dm–3 NaOH has been added to only 100.0 cm3 of this buffer? 2. Data in the table below were collected at 25°C for the following reaction:2 I–(aq) + S2O82–(aq) I2 (aq) + 2 SO42-(aq) a) Determine the rate law for the reaction. b) Calculate the rate constant, giving the correct units for k.OH HBr10A Complete the figure below. Br NaCN DMSO B A NH₂ C 1. Br₂, NaOH 2. H₂O/H* TT. H₂SO4
- ter answ Aqueo us sulfurous acid (H2S03) was made by dissolving 0.200 L of sulfur dioxide gas at 19°C and 745 mm Hg in water to yield 500.0 mL of solutio n. The acid solution required 17.6 mL of so dium hydroxide solution to reach the titration end point. What was the molarity of the sodium hy droxide solution? M NaOH IID $4 7. CO62. When corn is allowed to ferment, the fructose in the corn is converted to ethyl alcohol according to the following reaction C,H12O6(aq) →2C,H;OH(1) + 2CO2(g) (a) What volume of ethyl alcohol (d = 0.789 g/mL) is produced from one pound of fructose? (b) Gasohol can be a mixture of 10 mL ethyl alcohol and 90 mL of gasoline. How many grams of fructose are required to produce the ethyl alcohol in one gallon of gasohol? 7Hd 10 5 0 5 mL of NaOH added 10 20 15 10 LO 5 0
- A solution of 75 mM tartaric acid (C4H,O6) in water is used as a standard in HPLC analysis. How many grams of C4H,O6 ·H2O are needed to make up 10 ml of solution?Complete the following reaction ia' T-Fe/HCI / AICI Br Br COOH NO,2) If cobalt(II) sulfate is heated too strongly, the following reaction will occur COSO4(s) → CoO(s) + SO3(g) co If you are heating a sample of CoSO4 6H2O and this reaction occurs along with M dehydration, what will happen to the experimental percent water? Explain your answer. to clure 88.01