Standard Solutions for FENCS2* Ion Beer-Lambert Plot mL of 2.00 x 101 M Fe(NO,)3 in 0.10 M HNO, mL of 2.00 x 103M NASCN in 0.10 M HNO, Solution Total volume (mL) 1 10.00 0.00 50.00 2 10.00 1.00 50.00 3 10.00 2.00 50.00 10.00 3.00 50.00 10.00 4.00 50.00 10.00 5.00 50.00
Q: Ag* 0.0000133038 Cr 0.0000133038
A: Concentration of Ag+ = 0.0000133M Concentration of Cl- = 0.0000133M
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What FeNCS2+concentrations in solutions 1 through 6 are used for the calibration curve?
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- 3 Bal, (aq)+ 2 Nag POq Caq) 7 BalPO42 + l6 Nal laq • Consider the reaction of 30.0mL of 0.270M Balz with 20.0 mL of 0.3ISM Naz PO4. Lwhat quantity in meles of Balz are preset in the solution? are produced /What quantitg in moles of precipitate E ali Bal were consumed based on the balanced chomical equation? 6) What auantity in males of Na3 Pla aro present in soluction? d) What quantity in moles of precipitate are paduced if all the Naz PO, were cansumed based on the balanced chemi.cal equation? e) which reactant is limisting f What mass (in g) of precipitate is firemed when the limiting reactant is considered?The following data were collected for the reaction 2A + 2B + C 3G+ 4 F Experiment 2 3 4 5 [A] Units of Molarity .00125 .00250 .00125 .00125 .00301 [B] Units of Molarity 00125 .00125 00302 00302 .00100 [C] Units of Molarity 00125 .00125 .00125 00375 .00115 Rate Units M/s 00870 .0174 .0508 .457 a. What is the order with respect to each reactant and what is the overall order for the reaction? Answer this question within the answer box and show your work clearly labeled on the scratch paper. b. Write the rate law for the reaction. Answer this question within the answer box and show your work clearly labeled on the scratch paper. c. What is the value and units for k? Answer this question within the answer box and show your work clearly labeled on the scratch paper. d. Predict the rate for experiment 5, you should give a value and units. Answer this question in the answer box and show your work on the scratch paper labeled clearly.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)
- FSC 8 1921. Brightspace A Aktiv Chemistry C D Z < Q + # At F2 @ 2 What volume in mL of 0.3000 M NaCl solution is required to produce 0.2700 moles of NaCl? W S app.101edu.co Walmart - Hiring Ce... X F3 X # 3 11. Unit 12: Late Adulthood - Develo X E JC 4 D F4 с 144 $ JU F5 R LL F ► 11 % 5 V F6 t 44 T G A 6 F7 Simulation play - Labster B Y H F8 & 7 8 U N Question 7 of 9 DELL F9 X D * 8 J F10 ( M Walmart - Hiring Center 9 F11 JI K 2 O ) O F12 L P 4 : 7 +/- PrtScr W 8 Insert { ( **A solution of HCl was titrated against sodium carbonate. What is the normality of acid for Trial 3 in the given data? T1 T2 0.3562 0.3479 0.3042 Weight (g) Initial V (mL) 0.80 1.60 0.40 Final V (mL) 35.20 36.70 39.80 Vol HCI used (ml) 35.10 39.40 N of HC (eq/L) 0.1954 0.1870 Average N of HCl (eq/L)A 1.787 g sample containing some Fe2+ ion requires 31.50 ml of a 0.02188 M KMnO4solution to reach a pink endpoint. What is the percent by mass of Fe2+ in the sample?
- M req M #3 80 E D Solid barium chloride is slowly added to 75.0 mL of a 0.205 M sodium carbonate solution until the concentration of barium ion is 0.0440 M. The percent of carbonate ion remaining in solution is %. Submit Answer C $ 4 000 888 R F % 5 V [References Use the References to access important values if needed for this question. Retry Entire Group T Cengage Learning | Cengage Technical Support G 6 6 more group attempts remaining MacBook Pro B Y H & 7 U N 11 * +00 8 J 1 M ( - 9 K O ) 0 I 2 L P command Previous Email Instructor { + 11 [ Next Save and Exit 27 option ? 1 ] dele30jud to 28AM basu mw 5. Sodium carbonate is a reagent that may be used to standardize acids in the same way that you have used KHP in this experiment. In such a standardization it was found that a 0.498-g sample of sodium carbon- ate required 23.5 mL of a sulfuric acid solution to reach the end point for the reaction.1.0 M H KOAC in 100 ml. Ans. 4.53. at the ec 8. 50 ml 0.1 M NH, is mixed with 100 ml 0.1 M HCI. What is the pi df the resulting mixture? 28. Sel volume Ans. 1.48. 9. Repeat problem 8, hut
- ution by avestigate 2003-2023 International Academy of Science. All Rights Reserved. MA What volume of a 1.25 M potassium fluoride (KF) solution would be needed to make 455 mL of a 0.838 M solution by dilution? [?] mL of 1.25 M KF 5 Q Search F5 F6 6 & F7 7 Volume (mL) . 7 * F8 8 DELL F9 9. prtsc F10 Enter home F11 Q a end F12 Insert •11 del A BackToxie chromate can be removed from solution uning the following reaction 2 Cro, lag) + 3SO4H'(ag)- Cry(SOls) + 2HyOA 5o, Is bubbled through 3.0x 10Lofa solution. All of the chromate is removed and 2.94 x 10 kg of the precipitate is formed. Calculate the initial concentration (in units of mM) of chromate in solution. Write only the numerical value below (without units) using the correct number of signihcant hpares. Type your answer NestA (aq) + ...B(aq) C(s) + D (aq) ... .. Experimental | Volume of B/ mL Mass of Run precipitate/g 1 1.2 5.40 2 1.4 7.24 1.6 9.02 4 1.8 9.90 2.0 10.86 6. 2.2 10.90 7 2.4 10.88 8 2.6 10.84 9. 2.8 10.86 A series of experiment was performed to determine the mole ratio of a given reaction. 1 mL of 1 Molar A added to nine beakers, then the increasing amount of 1 Molar B added to these beakers. Volume of B and mass of precipitate of C are given in the table below. Find the mole ratios through plotting a graph.