A plot of standard addition data looks like this: Abs (AU) -10 Standard Addition Case A -5 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 5 [S]f (UM) Calculate [X] and [X];.: Intial volume 15 mL and total volume 25 mL y = 0.0237x + 0.2076 0 10 15 20
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![A plot of standard addition data looks like this:
Abs (AU)
-10
Standard Addition Case A
-5
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
5
[S]f (UM)
Calculate [X] and [X]₁.: Intial volume 15 mL and total volume 25 mL
y = 0.0237x + 0.2076
0
10
15
20](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9f29e7c2-59d7-4bf9-afb2-4e1a5684a8b7%2Fea39a090-84f8-4692-8386-e4332a9f8281%2Fcpv98k3_processed.jpeg&w=3840&q=75)
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- Volume of dye solution added (mL) 9.80 mL Concentration of bleach solution used (M) 0.090 M Volume of bleach solution added (mL) 0,20 mL. Total Volume of solution (mL) 10.0 mL O5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 ABS Ln Abs = -4.860e-2 t + 1.35e-1 0.0 INABS -0.2 -0.4 1/ABS -0.6 -0.8 -1.0 -1.2 -1.4 Time (s) -1.6 b) From the data above, what are the initial molar concentrations of [dye] and [bleach] for your experiment? (NOTE: The concentration of the stock yellow dye solution is 3.40x10 M) [dye)o (M) [bleach]o (M) In Absorbance(3) In a titration, the % analyte is computed from the following equation: Vol (titrant) x M (titrant) x MW (analyte) % analyte = x 100 Weight (sample) Calculate the absolute error in the % analyte from the following data. Vol (titrant)= 38.04 t 0.02 ml M (titrant) MW (analyte) = 74.116 t 0.005 mg/mmol Wt (sample) = 800.0 ± 0.2 mg = 0.1137 ± 0.0003 mmol/ml %3!The researcher extracts a sample of well water and prepares it for TXRF analysis with a 10.00 mg/L V internal standard, like the calibration standards. The result produces SCa = 69297.81 and SV = 13481.2.Determine the concentration of Ca.
- Aktiv Chemistry → C < + app.101edu.co b Answered: A student combined [ENG SUB] I Belonged To You X + Time's Up! What quantity in moles of NH, are there in 70.3 mL of 0.200 M NH₂? 3 1 4 7 +/- G 0.0735 mol 2 3 5 8 6 9 =S 0 Submit X C x 100106CO2 + 50 SiO, + 16HNO, + H,PO, + 0.001FE + 122H,O → (CH,0),06(SiO,)so(NH3),e(H3PO,)Feo.001 + 13802 a. Calculate the change in (total) CO, in the ocean surface mixed (Temp = 25C, Salinity = 35 ppt) layer if 1 nM of iron is added (and consumed), assuming it is indeed the limiting nutrient. %3D b. Would this change in total CO, affect the alkalinity of the surface ocean? Why/why not? c. How much would the pH of the surface change following this primary production (assuming no respiration/gas exchange)? Use pCO2 = 420 ppm and total alkalinity = 2.2 mM to start your calculations. %3DA^ A B Av • E E EV ... Example 3: When a 5.00 g sample of commercial sodium bicarbonate (baking soda ) was treated by volatilization gravimetry the mass of CO, absorbed by the NaOH tube was 2.40 g. Calculate % NaHCO, in baking soda sample.
- 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 ASITY5. The color change of a chemical indicator requires an overtitration of 0.03 mL. Calculate the percent relative error if the total volume of titrant is a. 50.00 mL b. 10.00 mL 6. From the Gaussian (normal) error curve, what is the probability that a result from a population lies between 0 and +1 σ of the mean? What is the probability of a result occurring that is between +1 σ and +2σ of the mean?Sample IdentificationCodeConcentration of M%TA=2-log(%T)Q50004.00 x 10-417.90.75Q50013.20 x 10-425.00.6Q50022.40 x 10-435.70.46Q50031.60 x 10-450.20.3Q50048.000 x 10-570.80.15SampleIdentificationCode%TA=2-log(%T)AMQ0210150143.70.359518560.360.000192Q0210150244.10.355561410.360.00018Q0210150343.80.358525890.360.00017Q0210150444.10.355561410.360.00018Q0210150543.80.358525890.360.00017What was their percent error?43%Does Batch 021015 meet legal requirements?No, because it is not between 2.85 * 10(4) and 3.15 * 10(4)Well #DropsBluedye1234567891012345678910Drops 9Distilled water876543210Concne 0.26tration0.52Test Tube #0.781.041.3Solutions3Concentration (M)2.082.32.6Concentration (ppm)1:1 dilution11.82Starting Dilution21.562:1 dilution0A.Zero standard0Was your calibration curve as linear as you expected?B.Did you experience any “drift†of the resistance readings?C.What is the equation of your best-fit line?D.What commercial drink did you analyze?E.Assuming…
- DL IXL - Area and circur X E Hamilton w K Maya Paniagua - Sto x K Maya Paniagua - L10 X Stoichiometry Introd x amihq.com/web/viewer.html?state=%7B"ids"%3A%5B"1Jb_fUymErbX45jcXDbRuMhdNQC9zAIBE"%5D%2C*action"%3. Paniagua - Cl. 115% e A Kami Uploads Maya Paniagua - Stoichiometry WS1.pdf Chemistry Stoichiometry WS #1 Show all work!! No work = no credit! Per Date Name Mole to Mole Stoichiometry 1) For the reaction between magnesium fluoride and lead (IV) nitrate, there are 12 mol of magnesium fluoride available: a. Write and balance the chemical equation, indicate the type of reaction b. Find the mole amount of each species in the chemical reaction c. How many moles of the solid precipitate are formed?(i) (ii) (iii) (iv) 'I OMe HO H g H N Me Br SnMe3 OSiMe3 CHO OH NaNH, NH3 (1) Phl, Pd(PPH3)4 THF, reflux 1. Ph3P=CMe2 2. "Bu4NF 3. H30 + CH₂12, Zn C C₂H₂NO D C₁1H₁1N E C10H16O F C15H26O2A volumetric calcium analysis on triplicate samples of the blood serum of a patient believed to be suffering from a hyperparathyroid condition produced the following data: mmol Ca/L = 3.15, 3.25, 3.26. What is the 95% confidence interval for the mean of the data, assuming no prior information about the precision of the analysis?