Q: A student prepares a 0.094M aqueous solution of trimethylacetic acid (C,H¸CO,H). Calculate the…
A: GivenConcentration of Trimethylacetic acid = 0.094 MKa for rimethylacetic acid = 9.33 * 10-6…
Q: Example 7.2 CALCULATION OF SORPTION EXTENT Given a k, of 8 kg/L and n 0.25, calculate the fraction…
A: Interaction of a contaminant with solids is termed as sorption. Fraction of contamination associated…
Q: PROCEDURE B: Preparation of 50.0 ml of 1.0 M CUSO4. 1. Calculate the amount of CuSO4 needed to make…
A: Molarity is used to denote the concentration of a solution. Molarity is the number of moles of…
Q: ab experiment by adding drops of KMno4 to a solution of distilled water and Iron (II) ammonium…
A:
Q: 25.0 mL solution containing acidified Na2C2O4 requires 15.0 mL of 0.0500 M KMnO4 solution to reach…
A: The balanced chemical reaction is 5 C2O42- + 2 MnO4- + 16 H+ → 10 CO2 + 2 Mn2+ + 8…
Q: Mr. Kim added 50.0 ml of alcohol with enough water to make a 400 ml of solution. What is the…
A: Given: Volume of alcohol = 50.0 ml Volume of solution = 400 ml
Q: 7.At what temperature will 50.0 grams of water freeze if 8.75 grams of sucrose, C12H22O11, a…
A:
Q: The thiourea in a 1.455 g sample of organic material was extracted into a dilute sulfuric acid…
A: Generally, qualitative analysis refers to the presence or absence of different chemical (number of)…
Q: The distribution coefficient, k = (concentration in hexane/concentration in water), for solute A is…
A: Distribution coefficient of solute (Kd) = 7.5 Initial concentration of A in water = 10 g in 90 mL…
Q: The Original volume of unknown NaCl solution = 98.407mL The concentration of Ag + within the 10…
A: When we add AgCl(s) in the unknown NaCl solution, Cl-(aq) acts as a common ion. Since NaCl is…
Q: 4. A. Identify the set-up: B. Function: organic H.O HO HSO OH snoonbe 15. A. Identify the set up: B.…
A: A. The setup shown in figure is separation by funnel. B. FUNCTION Basically this separation…
Q: A solution of Ca(OH)2 (FM = 74.09) was used in determining the equivalent weight of an unknown acid.…
A: Given data contains, Mass of KHP is 0.1235g. Volume of KHP is 7.45mL. Mass of unknown acid is…
Q: You made 100.0 mL of a lead(II) nitrate solution for lab but forgot to cap it. The nextlab session…
A: Given data contains, Volume of lead (II) nitrate is 100.0 mL. Volume left is 80.0 mL. Addition…
Q: Standardization of Hydrochloric Acid Solution Answer the concentrations in 3 significant figure. The…
A: The balanced equation for the reaction of Na2CO3(aq) with HCl(aq) is: Na2CO3(aq) + 2HCl(aq) ---->…
Q: Sample Pretreatment on Calibration V Sample Problem: A water sample was tested for iron content, but…
A:
Q: Approximate mass of NazS203·5H20 needed 1.55 Exact mass of Na2SzO3•5H20 weighed 1.57 Nominal…
A: Nominal concentration means the amount of an ingredient which is expected to be present in a…
Q: A 50.00 (±0.03) mL portion of an HCl solution required 29.71(±0.03) mL of 0.01963(±0.0030) M Ba(OH)2…
A: Given, MHCl=29.71 ml×0.01963 mmol Ba(OH)2ml×2mmol HClmmol Ba(OH)250.00 ml
Q: A student dissolves 30 g of an unknown compound in 50 g of water at 39 °C. What is the unknown…
A: Since the student is able to dissolve 30 g in 50 g of water hence it means that he will be able to…
Q: Activity 2: Syrup Sucrose ___ Purified water ___ To make 30ml…
A: Sucrose 10.26 g Purified water 30 ml Preparation of syrup depends on the physical and chemical…
Q: b. How would a student prepare 25.0 mL of 40.0% standard solution from a 100.0 % stock solution.…
A: The initial concentration of the stock solution is = 100 % The final concentration of the standard…
Q: Observations: Burette Reading (ml) Volume of sample (ml) Normality of NazS203 solution (N) Volume of…
A: Given: Normality (N) of Na2S2O3 = 10.00 N Volume of the sample = 201 ml Volume (V) of Na2S2O3 = 4.5…
Q: Which of the ff. is equivalent to the overall concentration of Mg-EDTA near the endpoint? [Mg2*]…
A:
Q: How many grams of a solution that is 5.2 % sucrose by mass are needed to obtain 18 g of sucrose…
A: The mass percentage of the solution is = 5.2 % The amount of sucrose needed is = 18 g The amount of…
Q: 2. 25.00 mL of Saturated solution of KHTar that contained 0.10 M NaCl: NaOH Volumes: Final 46.30 mL…
A:
Q: 1. Which of the following is the best option for transferring 20 mL of a solution? a.Use a 5mL…
A: 1. We have to tell the best option for transferring 20 mL of a solution. Now, we know that among…
Q: ACTIVITY 2: Syrup Syrup Formula Sucrose Purifled water To make 30ml Procedure A. Agitation without…
A: Syrup formula: Sucrose = 85% (w/v) Purified water = 100 mL In order to make 100 mL of sucrose syrup…
Q: Standardization of Hydrochloric Acid Solution Answer the concentrations in 3 significant figure. The…
A: Below attached file showing the details answer. All the best .
Q: Q2: A tablet that contained 500 mg of vitamin C was titrated with 20.15 ml of KIO to the blue starch…
A:
Q: below? d6-DMSO solution -a.55 -G.45 -0.35 La30 La2s -0.20 Lais 0.00 3.05
A: The characteristic peak is at 4.7ppm which is due to strong dis
Q: 3J.3 be 4. Can 1.75 L of water dissolve 4.6 moles of Copper Sulfate CuSO4? (please show work) Why? /…
A: Given that : Moles of solute = 0.46 mol Molarity of solution = 0.22M The volume of water =?
Q: 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.…
A:
Q: Chemistry Question
A:
Q: 101 Chem101 O 8 https://app.101edu.co Question 4 of 9 A 2.00 L graduated cylinder contains 1.40 L of…
A: Density of solution can be defined as mass of solution per unit volume of that solution. Litre and…
Q: 0.02 M NaOH reagent was standardized using 0.1000 g Potassium hydrogen phthalate (204.22 g/mol) and…
A:
Q: 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…
A: Dipole moment:The charge separation of the molecule produces dipole moment. Dipole moment arises…
Q: 2/50lved its volume (4L)His faus(oin) Nafl from sollunchloride i was related dding one liter of…
A: Given that, Initial concentration of NaCl solution = 0.02 M Volume of solution initially = 4 L One…
Q: SPasiahnyk FSw 40 SI PARTICIPATION opestar The aqueous solubility of lithium phosphate (Li PO,) is…
A:
Q: AI Review | Constants | Perie Calculate the final concentration of each of the following. Part B You…
A: The answer to the following question is-
Q: How many mL of 3.50 M H2SO4 solution is needed to prepare 250 mL of 1.25 M H2SO4 solution? a)…
A: During dilution number of moles remains constant and volume is calculated using equation of…
Q: 13-3. How would you prepare 50.0-mL portions of SS that are 0.00500 M, 0.00200 M and 0.00100 M in…
A:
Q: View Policies Current Attempt in Progress What volume of water at 20.0 °C (d - 0.9982 g cm) is…
A: Given: Density of water at 20°C =9.9982 g/cm3 Mass of solute (sucrose) = 50.4 g % (w/w) solution =…
Q: 云。 00 work 1. Saved Example 7- Molarity -use with mole value to calculate volume (L) value (Pool 1…
A: Molarity of sulphuric acid = 1.13 M Number of moles of solute = 0.131 mol Volume of the solution =…
Q: Limiting reagent Calculated mass of excess reagent remaining in the mixture after reaction, g…
A:
Q: Calculate either [H3O+][H3O+] or [OH−][OH−] for each of the solutions at 25 °C.25 °C. Solution A:…
A: For an aqueous solution at 25oC, we can write: [H3O+][OH-]=1.00×10-14 M2 .................…
Q: 1. Volume of 0.10 M acetic acid needed for 25.0 mL of 0.020 M. mL 2. Molar mass of sodium acetate. g…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: Activity 2: Syrup Formula Sucrose ___ Purified water ___ To make 30ml…
A: The activity is about preparation of a syrup containing sucrose and water.
Q: Observations: Burette Reading (ml) Volume of KCrz07 solution (m) volume of Naso solution (mi) (Final…
A: Given: Normality of potassium dichromate solution ( K2Cr2O7) = 0.025 N Volume of potassium…
Q: Standardization of EDTA Solution Answer the concentrations in 3 significant figure. You can use…
A: First, we have to calculate the molarity of the stock and working standard CaCO3 solution.
Q: Problem 8.39
A: Calculation of the volume of stock solution:
compute the following problems and show solution.
Step by step
Solved in 2 steps with 3 images
- 351145 TECHNO Define fundamental unit with an example. Why is the unit of force called a derived unit? ic a derived unit? Give its two examples. measurement Dats : D Graphite and iodine a y shine. Explain it with suitable yeasons. Graphite and are non-metals but the iodine are non- metals but REDMI NOTE 10 PRO KBYLWHARNA THAPA A chemical propertie39/99/2021 17:361. + 2.Le Chateliers principle. 7 / + 3 Beg) = 2 A#= +60,000 Inc [B] Dec [D] Inc [C] €² 2 C + D (2) до Inc. I Дес Р
- AP BIO (1) An analytical balance is used to measure the mass of 200µl of water in triplicate. The following measurements are recorded: 0.1983g, 0.1990g, 0.1884g. (A) Calculate the mean value for these three mass determinations. 0.1952 g (B) Use the mean value from (A) to determine the percent error.. 19.52% ???Q3:- (A)1-Write the Tafel equation define the mathematical terms in the equation fully. 2- What Tafel device components with drawing? density of 86 BY: Phrring co 12 me. for stodersion xxam e... /myct/itemView?assignmentProblemID=191818234 ent the basis ween and e of or S d ror f5 % 5 X ▸ Part A Final Exam America.... TN Free Tracing Letter... Letter A | Workshee... Submit Part B Part C 16 Solving Chemical Problems G| ΑΣΦ 3 10 A In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 28.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe? Use the following conversions: 1 km = 0.6214 mi and 1 gal = 3.78] Express your answer numerically in liters. ► View Available Hint(s) 6 4- & C hp 7 X f8 a + MasteringChemistry: Homework x * ? 8 L Order 3094227- Es... fg 9 h fio ) fi O Review | Constants | Periodic Table f12 + O 6 of 10 ins = M 1:13 PM 8/16/2022 prt sc > del backs
- Wrong (L) - calculator- Google Search d/1PrqdNDx-hBYyzKo-xfiM9-Jlq7EAaWe3GBt t3U3jDo/edit Calculator O A Land of Permane... t edit was seconds ago I U A 三| 扫 E▼ 三▼ 4 Fe + 30, - 2 Fe,0, 4. What volume (liters) of O, is required to react with 1.7 moles of Fe? 1.7 moles Fe 1 mole O. 224 LO, 4 moles Fe 1 mole O. * How many meles of iron would have to reacr to produce 35moles of tron ) oxide"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 ASITY1. σ=[(Σd2)/(n-1)]½ n= number of trials d= measured value - mean σ=[(8.50mL-8.74mL)2+(9.72mL-8.74mL)2+(8.00mL-8.74mL)2/(3-1)]½ 2. σ=[(Σd2)/(n-1)]½ n= number of trials d= measured value - mean σ=[(10.69-11.52)2+(11.80-11.52)2+(12.07-11.52)2/(3-1)]½