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- College of Teacher Bachelor of Secondary Education *promoting pedagogical excellence elor of Sec omoting pedage RIN ht: (a) (b) Br. C. CH3 b1. HNO3, H2SO4 2. Fe, H30*r H2/Pd s / oD Br NO2 (c) KMN04 7 (d) Cl CH3CH2CH2CI AICI3 H20 7. OCH3 4. Predict the major product(s) of the following reactions: OM (a) CI (b) CH CH CH3CH2C! AICI3 CH3CH2COCI AICI3 (c) CO2H HNO3 (d) N(CH2CH3)2 H2SO4 SO, H2SO4 ASITYQ1: What is the density (g/ml) of a 3.6M Sulfuric acid solution that is 29% H,So, by mass (Mwt. = 98)? Q2: Fill the blanks with suitable answers 1: The is the thing being dissolved. ......... 2: The branches of quantitative analysis are and 3. The filterability of the precipitate depend on the of practices. Q3: Which one is correct? 1. Molality changes with temperatures. 2. Molality does not change with temperatures. 3. Molarity changes with temperatures. 4. Normality changes with temperatures. Q4: What weight of pyrite ore (impure FeS,) must be taken for analysis so that the BaSO, precipitate weight obtained will be equal to one-half that of the percent S in the sample? Note: Mwt. of Ba =32, Mwt. of BaSo4 =233, Mwt. of FeS, =119An HPLC method was developed for the separation and determination of ibuprofen in blood samples. A 3.00 mL blood sample dissolved in 70.00 mL solvent was prepared and 10.0 mL was injected into the HPLC. Standard ibuprofen solutions were also run.Calculate the ibuprofen present in the 3.00 mL blood sample The following data were obtained. Table po itoo: Ibuprofen concentration, mg/ml0.50 1.0 2.0 3.0 Blood sample Peak area (Right column)5.29.617.419.911.4
- Com X Bb Mas X Mas X Hom X K! Kahx Exan X K! Kah X Mitc X КI Kah X K Kah x K! Kah x Kah x K Kahx C session.masteringchemistry.com/myct/itemView?assignmentProblemID=134214560 Apps New Tab Effect of Salinity on... Sleep Disorders | M... P Philo American Journal ... Zeeshan JBAS Ic Wait for Next Quest... oramge juice Effect cA standardization with 0.1 % ascorbic acid consumed 21.20ml of DCPIP. When the same DCPIP was used with fresh and commercial apple juice, the volume of DCPIP used is 21.90ml and 24.80 ml respectively. Calculate % loss of vitamin C in the making commercial fruit juice compared to fresh juice.A solution of HCl was titrated against sodium carbonate. What is the average normality of acid in the given data? (MW Na₂CO3 = 106) T2 0.3479 0.3562 0.3042 Weight (g) Initial V (ml) 0.80 1.60 35.20 36.70 39.80 Final V (mL) Vol HCl used (mL) 35.10 39.40 N of HCl (eq/L) 0.1954 0.1870 Average N of HCl (eq/L)The air in a recently used classroom 9m x 7m x 9m tested 0.12% carbon dioxide. How many cubic meters of fresh air must be admitted per minute in order that 10 minutes later it shall contain not over 0.06% carbon dioxide. Fresh air contains 0.04% carbon dioxide. Assumeimmediate mixing of fresh with stale air. (A) 14 (B) 11 (C) 15 (D) 19 (E) 17s- Homework - 2022.pdf - Adobe Acrobat Pro DC (32-bit) E-Sign Window Help Chapter 14 - Soluti. x 日 Q 1/3 135% - 6) What volume (L) of a 0.277 M KBr solution is needed to provide 13.4 g of KBr? 2olusolorm stuloe (2)-(5)anivab rbidW eslorm (1) v) gumu (5) (C) gntweb ( quam boesam eti bas bonsqoiq ai p02gsto noituloe euooups nA (S oloe srb lo viiensb srfl .noituloe orb to yiralom ord atsluoliData Sheet II. Delivering Solution from Your Buret 17.28 (1) final buret reading, mL 6.52 (2) initial buret reading, mL (3) approved by 10.76 (4) volume of H2O delivered, mL (5) approved by VI. Preparing Your Bleaching Solution Sample Clorox (6) brand name of commercial bleaching solution 4.42 (7) cost of commercial bleaching solution per gallon (see laboratory instructor) 1.12 (8) density of commercial bleaching solution, g mL- (see instructor) (9) volume of commercial bleaching solution diluted to 100 mL, mL 10.00 VII. Analyzing Your Diluted Bleaching Solution Sample determination 0.1050 0.1050 (10) molarity of Na,S2O3 solution, M 25.00 25.00 (11) volume of diluted bleaching solution titrated, mL 44.10 44.30 (12) final buret reading, mL (13) initial buret reading, mL 0.00 0.14 (14) volume of Na,S2O3 solution used, mL (15) number of moles of S,O32- ion required for titration, mol (16) number of moles of I2 produced in the titration mixture, mol (17) number of moles of OCI ion in…1-3: Enumerate 3 diseases that may be acquired by consuming products with food preservatives and additives. 1. 2. 3. 4-5: Enumerate 2 ways on how you will avoid consuming products with food preservatives and additives. 4. 5.C18H3602(s) + C5H14O4NP(s) + C3H8O3(aq) → 1.63 g Fatty Acid 3.2 mL of 0.98 M Choline Phosphate MW? 3.2 mL of 0.52 M Glycerol MW? g/mol MW? C44H88O8NP(s) + Theoretical g = ? Phospholipid MW = ? (a) Given the measured values, who is the limiting reactant for this equation? H₂O(1) Water 1.0 g/mL MW = ?What is the molarity of a solution in which 150g of CaO are dissolved in 1900mL of solution? (Use thefollowing given information: overline MW:Ca=40g/mol , O=16g/molA. 1.41 mol/LB. 0.0014 mol/LC. 0.0014 MD. 1.41 mSEE MORE QUESTIONS