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- If 10.0 mL of H2SO4 (sp. Gr. 1.50, containing 48.7% of combined SO3 by weight) is diluted to 400 mL, what is the normality of the solution as an acid? (b) What volume of 6.00 M H2SO4 should be added to this in order to make the resulting mixture 1.00N as an acid? FW's : H2SC4 = 98; SO3 = 80OH Br OH NEt3 DCM SOCI 2 (0.5 equiv) NEt3 DCM, RT MeONa MeOH3. (a) If 10.0 mL of H2SO4 (sp. Gr. 1.50, containing 48.7% of combined SO3 by weight) is diluted to 400 mL, what is the normality of the solution as an acid? (b) What volume of 6.00 M H2SO4 should be added to this in order to make the resulting mixture 1.00 N as an acid? FW's : H2SO4 = 98; SO3 = 80
- 6. _(6a)_ 2CUSO4. + 4NaOH » CH:COOH ±_(6b)__ + 2NA2SO4 + HzOemistry Y cloudy 2 W app.101edu.co 12 3 E UL 7: Panopto PII $ 4 R X F4 Identify the best conditions to complete the SN2 reaction shown below. H % 5 UL LTU 7-1A T Br F5 6 X Question 10 of 24 Y F6 C|Chegg.com & 7 U F7 A) CH3I, THF B) HBr, THF C) KI, H₂O D) KI, THF x + E) CHI, CH3OH PrtScn 8 FB Home ( 9 A & S ENG End ) 12 ☆ 0 F10 P Tp PgUp S * F11 0 C Sub 6:13 10/18/20 PgDn =CH3 Br2 [0] A -H2O NH3 NaOH -NaBr FeBr3 D Cu,180°C CH3 Br2 Mg CH3CH-O -B H,O [0]. C -D- E FeBr3 efir efir H* 8. CH;CHCH2CH2OH FS04 #so) -1)03 2)H0 -H;O2 H30 Al-O3 CH3 CH;MgJ CH5J H,O [H, Hg 2КОН 9. Br2 CH;CH=CH, spirt meh.
- Materials/Chemicals: Volumetric flasks Beakers Serologic pipetters Aspirators Vials/test tubes Cone. H3PO4 (85% w/w, sp gr. 1.70, MM 98) Cone. HCL (37.3% w/w sp. Gr. 1.18, MM 36) Glacial acetic acid (99.7% ww, sp gr. 1.05, MM 60) NaOH pellets NaH2PO4 Na2HPO4 Acid-base indicators: Bromophenol Blue Bromocresol green Phenol red Methyl red Methyl orange Phenolphthalein Thymol Blue pH paper pH meter Weighing balance For chemicals, refer from the template below. Research the chemicals to be used especially those that are new to you and write down the information needed. Name of Chemical Molec. Weight (g/mol) Melting point Boiling point Density (g/mL) General properties Methodolody: (Include a short summary of the overall experimental plan you are going to run. You may use flow chart or bullet form for this part. Sketches of any experimental set-ups used in the experiment or the workup procedures). Preparation of buffers Prepare 250ml of the…i. ( Br. Br jo NaOH 200°C 1. (Sia) ₂BH 2. H₂O₂/NaOH Br₂ NaNH, 150°C Lindlar's/H₂ 3Startinlg Mzterials CReagents) Br 日-CEC-H C lly Br CHs CHp -> 4. %23
- Determine the [SO32-] in a 0.020 mol L-1 solution of sulfurous acid, H2SO3 H2SO3(aq) H20(1) HSO3 (aq) + H3o*(aq) Ka1 = 1.6 x 10-2 %3D HSO3 (aq) + H20(1) so,2-(aq) H3O*(aq) Ka2 = 6.4 x 10-8 +The ethyl acetate concentration in an alcoholic solution was determined by diluting a 10.00-mL sample to 100.00 mL. A 19.00-mL portion of the diluted solution was refluxed with 40.00 mL of 0.04601 M KOH: CH3 СОО С2H; + ОН — СH3 COO + C2H; ОН After cooling, the excess OH was back-titrated with 3.02 mL of 0.05056 M H2 SO4. Calculate the amount of ethyl acetate (88.11 g/mol) in the original sample in grams. Amount of ethyl acetate =(c) 1. THF H2C CEN 7. 2. H30* N(CH312 (d) 1. THF N' 2. H3O* 2016 Cmn Laung