MISSED THIS? Watch KCV 17.4A, KCV 17.4B, IWE 17.6, IWE 17.7; Read Section 17.4. You can click on the Review link to access the section in your e Text. Part A What is the volume of added acid at the equivalence point for KOH? Two 19.0 mL samples, one 0.200 M KOH and the other 0.200 M CH3NH2, were titrated with 0.100 M HI. Express your answer in milliliters to three significant figures. mL Submit Request Answer Part B What is the volume of added acid at the equivalence point for CH3NH2? Express your answer in milliliters to three significant figures. ? mL Submit Request Answer

MISSED THIS? Watch KCV 17.4A, KCV 17.4B, IWE 17.6, IWE 17.7; Read Section 17.4. You can click on the Review link to access the section in your e Text. Part A What is the volume of added acid at the equivalence point for KOH? Two 19.0 mL samples, one 0.200 M KOH and the other 0.200 M CH3NH2, were titrated with 0.100 M HI. Express your answer in milliliters to three significant figures. mL Submit Request Answer Part B What is the volume of added acid at the equivalence point for CH3NH2? Express your answer in milliliters to three significant figures. ? mL Submit Request Answer

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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3. A buffer solution after the addition of 20.0 mL of 1.00 M NaOH solution to 500.0 mL of a buffer solution containing 0.20 M acetic acid (CH3COOH) and 0.30 M sodium acetate (CH3COONa). [Ka= 1.8 x 10–5] What is the new concentration of NaOH after dilution? a 0.0273 b 0.0439 c 0.0185 d 0.0267 e 0.0385
MISSED THIS? Watch KCV 17.4A, KCV 17.4B, IWE 17.6, IWE 17.7; Read Section 17.4. You can click on the Review link to access the section in your e Text. Part A What is the volume of added acid at the equivalence point for KOH? Two 19.0 mL samples, one 0.200 M KOH and the other 0.200 M CH3 NH2, were titrated with 0.100 M HI. Express your answer in milliliters to three significant figures. ? mL Submit Request Answer Part B What is the volume of added acid at the equivalence point for CH3NH2 ? Express your answer in milliliters to three significant figures. mL Submit Request Answer
Item 15 15 of 27 Constants | Periodic Table MISSED THIS? Read Section 18.2 (Pages 788 - 799); Watch KCV 18.2B, IWE 18.2. Part A A buffer with a pH of 10.95 contains CH3NH2 and CH3NH3C1 in water. What can you conclude about the relative concentrations of CH3NH2 and CH3NH3CI in this buffer? For CH3NH2, pK, = 3.36. O CH3NH2 CH3NH3C1 > O CH3NH2 CH3NH3C1 O Nothing can be concluded about the relative concentrations of CH NH, and CH,NH;Cl.
1. Commercial vinegar was titrated with NaOH solution to determine the content of acetic acid, CH3COOH. For 20.0 cm3 of the vinegar, 26.7 cm3of 0.60 mol dm-3 NaOH solution was required.What was the concentration of acetic acid in the vinegar if no other acid was present? (Thanks for your help) A. 0.45 mol dm-3B. 0.60 mol dm-3C. 0.80 mol dm-3D. 1.60 mol dm-3
A saturated solution of the hypothetical salt, M2A3, has an initial salt concentration of 0.000362 M. What is the value of Ksp with 3 significant figures. M2A3 → 2 M3+ + 3 A2-
What will be the molar solubility of Ca(OH)2 in pH 13 solution? Original values: Temp: 24.6 C Concentration of HCl: .05 M Volume of Saturated Ca(OH)2 solution used: 20.05 mL Initial Buret Reading: 11.45 mL Final Buret Reading: 14.85 mL Volume of Added HCl: 3.4 mL Mole of Added HCl: Mole of OH- in Ca(OH)2 + Ca2+ solution Concentration of [OH-] (mol/L) Concentration of [Ca2+} (mol/L) Molar Solubility of Ca(OH)2 (mol/L)
Iodometric titration is a volumetric analysis technique that uses iodine and its oxidation/reduction as an indicator Experiment [OCl–] [I–] Rate at 293 K 1 0.040 M 0.020 M 0.00184 2 0.020 0.040 0.00092 3 0.020 0.020 0.00046 Determine the rate What is k at 293 K? (c ) If k is 0.2977 sec-2 at 40°c, what is EA?
MISSED THIS? Read Section 18.6 (Pages 823-826); Watch IWE 18.12. Determine the minimum concentration of the precipitating agent on the right to cause precipitation of the cation from the solution on the left. 9.0x10-2 M Cala; K2SO4 Express your answer using two significant figures. [K₂SO4]= ΜΕ ΑΣΦ Submit Request Answer Part C 1.7x103 M AgNO3; RbCl Express your answer using two significant figures. [RbCl] ΜΕ ΑΣΦ Submit Request Answer M M
what is the maximum amount of sodium sulfate that can be added to 450 ml of .0015 M CA(NO3)2 before precipitation of calcium sulfate begins? Ksp= 2.4*10-5
boite Haarle ONLI 4 Based on Table F, which equation represents a saturated solution having the lowest concentration of CI ions? M 1 NaCl(s) Na (aq) + Cl(aq) anged for W 319rgzomma I 16 noitulos obriolrio ribos sulib s anatoosad A Thavioezib si obnoldo muiboa 010m 28 aoituloe ads to iniog gnidiod sdi bus notule 2 AgCl(s) = Ag+ (aq) + Cl¯(aq) 3 NH4Cl(s) NH4 (aq) + Cl(aq) seponi mioq gailiod odi bre 29209 linq otuloa lo rodmum of 1 panonoob iniog gniliod orb bas 292679m 2015thng tuloa to odmun T asentoni Ining guillod odt brs 20ass100b 20loinaq otuloz 10 15dmun sil 8528100b iniog gniliod odi bas asesorosb zoloining oiuioz to 150mun s 4 KCl(s) = K+ (aq) + Cl¯(aq) (na) solution increases when
In Dissolution of Borax experiment, the standard HCI solution has a concentration of 0.130 mol/L. The initial buret reading is 4.24, and the final buret reading is 33.38. The volume of the saturated borax solution is 5.34 mL. What is the molar solubility of borax? Note: Report both number and unit. Pay attention to significant figures.
2. A buffer solution after the addition of 20.0 mL of 1.00 M NaOH solution to 500.0 mL of a buffer solution containing 0.20 M acetic acid (CH3COOH) and 0.30 M sodium acetate (CH3COONa). [Ka= 1.8 ×10–5] What is the new concentration of CH3COOH after buffering? a. 0.2437b. 0.2014c. 0.1615d. 0.3213e. 0.2589