Please determine the total mg/mL that you were able to recover from the column= experimental yield. Please show your data and calculation Online students the volume is 1.5 mL and the OD 550 is 0.35. elow is a standard curve I generated that you can use. OD 550 vs. mg/mL OD 550 4 3. 2 1 O 0.2 0.4 0.6 0.8 1.0 mg/mL

Please determine the total mg/mL that you were able to recover from the column= experimental yield. Please show your data and calculation Online students the volume is 1.5 mL and the OD 550 is 0.35. elow is a standard curve I generated that you can use. OD 550 vs. mg/mL OD 550 4 3. 2 1 O 0.2 0.4 0.6 0.8 1.0 mg/mL

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Commercial concentrated hydrochloric acid has the following specification: Density = 1.2 g/mL; Weight percentage is 37% w/w: Molecular weight of HCl is 36.46 g/mol. If 12.0 mL of conc HC) is added to the reaction, how many moles of HCI have been added? Report your answer to the correct number of significant figures: do not report the units in your answer.OGMU 2020 QUESTION 3 If 5.0 mL of t-pentyl alcohol are involved in the reaction, how many moles of t-pentyl alcohol are present? Round your answer to the correct number of significant figures. Do not include the units in your answer. IUPAC name of t-pentyl alcohol is 2-methyl-2-butanol.OGMU 2020 (Hint: use the CRC Handbook Of Chemistry and Physics from our online library to get the correct numerical constants.) QUESTION 4 Given that the nucleophilic substitution reaction used 5.0 mL of t-pentyl alcohol and 12.0 mL of conc. hydrochloric acid to produce t-pentyl chloride, what was the limiting reagent in the overall reaction? GMU 2020 O…
/1wdGaF3fc41TY-3NU4JhvIQJLK2kFekLX/edit minutes ago IUA 三 ==,E 三E|X 20 2 | E 3 LI 4 IT3 E OI I 7 + EXPERIMENT Percent vield Due after completing the lab. Answer in the space provided. 1. A student reacted 0.500 g of Pb(NO.)2 with 0.750 g of KI according to the reaction, Pb(NO.b (aq) + 2 KI (aq)- → Pbb (s) +2 KNO: (aq) How many moles of Pb(NO.)2 were used? mol of Pb(NO) b) How many moles of KI were used? mol of KI c) How many moles of PbL would form, based on mol of Pbb the moles of Pb(N0) used? d) How many moles of Pbl would form, based on mol of Pbl the moles of KI used? e) Which is the limiting reactant? What is the theoretical yiekd of PbL in grams? 主 g of PbL g) If the student obtained 0.583 grams of PbL product after collecting it by fihration and dry ing it, what was the percent yield of Pbl obtained? 2. Diborane, B H, can be produced by the following reaction: NaBH (aq) H 50 (a) = H (g) = Na SO (aql= BH(B) What is the maximum quantity, in grams, of B H that can be prepared…
2.00 mL OF 5.80 x10-"M AGNO g 245.0 mL of 3.35 X10 M NazS and + Na, Scaas 2 NANO3 tazy 248.19 1549 2709 2 Ag NO3 78.19 Nans Agzs 2 NANO3 inirial Change Final
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Remaining Time! 02:29:4. Consider the balanced chemical equations shown below. When a 6.00 g sample of a mixture of iron (Fe) and aluminum (Al) is treated with excess HCl(aq), 0.177 moles of H2 are obtained. What is the mass percentage of Fe in the original mixture? Choose the closest answer. Fe(s) + 2 HCI(aq) FeCl2(aq) - + H2(g) 2 Al(s) +6 HC((aq) 2 AICI3(aq) + 3 H2(g) 96 % 69 % 47 % 33 % 17 % Rack Question Menu - O O
Q) A student misreads the directions and adds 4.0 g of benzoic acid instead of 0.4 g. What do you expect to happen? Would the experiment still be valid? Explain your reasoning. Pure Lauric Acid Lauric Acid + 0.4 g Benzoic Acid Lauric Acid + 0.5 g Benzoic Acid Mass of Lauric Acid 3.03g 3.00g 3.00g Mass of Benzoic Acid 0 g 0.40g 0.50g Freezing Point 43’C 39’C 38’C Freezing Point Depression * 4’C 5’C Molality of Benzoic Acid in Lauric Acid* 1.026 mol/kg 1.282 mol/kg Moles of Benzoic Acid * 0.003 moles 0.004 moles Experimental Molar Mass of Benzoic Acid * 133.3g/mol 125 g/mol Average Molar Mass * 129.15g/mol Percent Error * 5.75%
In order to form Ba(IO3)2, 500 mL of 0.5000 M Ba(NO3)2 was mixed with 500 mL of 0.0500 M NaIO3. Ksp= 1.57x10^-9How many millimoles of Ba(NO3)2 are there in the solution?How many millimoles of NaIO3 are there in the solution?How many millimoles of NaIO3 are needed to completely react with the Ba(NO3)2?
2. What coefficients would balance the following equation? _C2H6 + _02 –→_CO2+ _H2 O A. 1C2H6 + 502 → 2C02 + 3H20 B. 202H6 + 502→ 4CO2 + 6H20 С. 2С2H6 + 702 4C02 + 6H20 O D. 2C2H6 + 1002 → 4CO2 + 6H2O
The following volumes of 0.000300 M SCN are diluted to 15.00 mL. Determine the concentration of SCN in each sample after dilution. These values will be used during the experiment. To enter exponential values, use the format 1.0e-5. Sample 0.000300 M SCN (mL) [SCN'] (M) 1 1.50 3.50 7.00 4 10.00 3.
Can you answer it as if you where putting it in those boxes. Set the equation up
Determine the number of molecules of Cr,0; that form when 1.34 x 103 g of oxygen completely reacts according to the following equation: 4 Cr(s) + 3 O2(g) → 2 Cr2O3(s) STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) |2.52 х 1025 152.00 4.24 x 103 |3.78 х 1025 3 1.68 х 1025 4 6.022 x 1023 1.34 x 10° 52.00 32.00 1 g O2 g Cr203 mol Cr2O3 molecules Cr203 mol Cr g Cr mol O2
alibri (Body) 12 A A Aa v AaBbCcDc AaBbCcDc AaBbC AABBCCC AaB AABBCCD IU abe x, x A ab T Normal T No Spac. Heading 1 Heading 2 Title Subtitle Font Paragraph Styles 3 6 IZICIt iniED 10 11 12 13 I 14 I- 15 16 . Chemical Equation Write a balanced equation that describes each of the following chemical reaction. 1. Acetylene gas, C2H2, burns in air forming gaseous carbon dioxide and, CO2, and water. Answer: 2C2H2 + 502 → 4CO2 + 2H20 (double displacement/Combustion reaction) 2. MnO2 + KOH + O2 → H20 + K2MNO4 3. FeCl2 + Cl2 → FeCl3 English (United States) Accessibility: Good to go a ENG REDMI NOTE 10 PRO | JHANG 01/06/2022 15: 12