MasteringChemistry edu/webapps/assessment/take/launch.jsp?course_assessment_id%3_1575667_1&course_id=_592130_1&content_id=_39106439_1&step3Dnull Maps M Gmail YouTube O Maps v Question Completion Status: QUESTION 1 A student is given a weak monoprotic acid "HA" that has a Ka = 0.0000465. What is the % ionization of à 0.335 molar aqueous solution of HA? (Enter your number with two significant figures and DO NOT include the percent sign in your answer) QUESTION 2 What is the Kh for fluoride anion in 25° C water given that under those same conditions hydrofluoric acid has a Ka of 7.6x10-4? A. 3.4x10-5 В. 3.2х10-10 O C. 1.3x10-11 O D. 1x10-14 O E. 7.6x10-7 QUESTION 3 Which is more basic - an aqueous solution of borax or an equivalent concentration aqueous solution of lime water? [H*] (M) pH РОН 1ОН 1 (М) 1 (1x10) 0.0 14.0 1x10-14 to caue all answers. Save

MasteringChemistry edu/webapps/assessment/take/launch.jsp?course_assessment_id%3_1575667_1&course_id=_592130_1&content_id=_39106439_1&step3Dnull Maps M Gmail YouTube O Maps v Question Completion Status: QUESTION 1 A student is given a weak monoprotic acid "HA" that has a Ka = 0.0000465. What is the % ionization of à 0.335 molar aqueous solution of HA? (Enter your number with two significant figures and DO NOT include the percent sign in your answer) QUESTION 2 What is the Kh for fluoride anion in 25° C water given that under those same conditions hydrofluoric acid has a Ka of 7.6x10-4? A. 3.4x10-5 В. 3.2х10-10 O C. 1.3x10-11 O D. 1x10-14 O E. 7.6x10-7 QUESTION 3 Which is more basic - an aqueous solution of borax or an equivalent concentration aqueous solution of lime water? [H*] (M) pH РОН 1ОН 1 (М) 1 (1x10) 0.0 14.0 1x10-14 to caue all answers. Save

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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6. In a 0.050 M solution of HC1 at 25°C, (a) What is the H3O* concentration? (b) What is the OH concentration? 7. Write a balanced reaction for the dissociation of HOC1 in water. 8. Write the expression for the Ka of HOCI. -2- 9. (a) If 0.30 moles of HOCI are added to water to make a 1.0 L solution at 25°C, what would be the algebraic expressions for [HOC1] and [H3O*] at equilibrium? Note that you should use your answers to #7 and #8 for this. (b) What is the algebraic expression for [OH-] at equilibrium? Use part (a) and previous concepts to answer this. 10. The Ka for HOCI is 2.9 x 10-8 at 25°C. What is the concentration of H3O* and OH¯ at equilibrium? 215 >
Solutions for question 1 please
Please don't provide handwritten solution .....
A 100.00 mL solution initially contains the following species: 0.035 mol of HN3 0.035 mol of N3 0.00015 mol of H3O+ Predict what will be the pH of this solution once it reaches equilibrium. Show all work and state all assumptions; enter your final answer in the box below. weak acid Additional information: Ka HN3 = 1.9 x 10-5
9 eq 4 20 E D Write the equations that represent the first and second lonization steps for tellurous acid (H₂TeO3) in water. (Use H3O+ Instead of H+.) First ionization step: C Second lonization step: $ Submit Answer 4 000 000 F4 R + H₂0(1) = F + H₂0(1) = | V % 5 [Review Topics] [References) Use the References to access important values if needed for this question. T Retry Entire Group 9 more group attempts remaining F5 G Cengage Learning Cengage Technical Support 6 B FO + MacBook Air Y + H & 7 N F7 U * 8 J ➤11 FB 1 M I -o 9 K O S.P d ) O L F10 P 4) F11 Previous Next> + 11 alt ? Save and Exit F12 11 delete
Grades - BIOL111ASP2020 X 8 Canvas Login at Mary Baldwin U x 6 Chemistry 121 101 Chem101 Question 11 of 29 Write the acidic equilibrium equation for C:H-COOH. 3- 12- 24 | 12+ 3+ 4+ 1 4 6. 8. 9. 13 14 15 61 01 +. (s) (1) (g) (aq) H. H2O H.O+ OH Reset • x H2O Delete 1L
Can someone help with questions 6-10 only please?
Help 2 and 3 and 4
Solutions to question 3 please
1 2- 3C₂² + C 9:49 Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropriate equilibrium equation for the acid or base that exists when the salt is dissolved in aqueous solution. If neutral, simply write only NR. Be sure to include the proper phases for all species within the reaction. (CH3) 3NHBr S 2 H3O+ Question 9 of 11 O Reset 3 4 5 6 7 8 H₂O NR OH- (g) Br Tap here or pull up for additional resources Submit H (aq) × N ( O x H₂O
2- 3C₂² 1 Write the acidic equilibrium equation for CCI₂HCOOH. Be sure to include the proper phases for all species within the reaction. + 2 (s) H₂O ap here or pull up for additional resources 3 H ( Reset 4 (1) Question 62 of 75 O LO 5 ) 6 x H₂O CI 7 (g) 8 OH 9 12 (aq) C X 0 LTE 23% Submit
Hi can you answer the following question: Using the data from questions 3 and 4, calculate the experimental value of Ka for this unknown acid using an ICE table. The data from question 3 and 4 are attached. Thank you! Aditional information if needed: unknown acid concentration: 0.042mol/L unknown acid volume: 0.25L NaOH concentration: 0.1M NaOH volume at the equivalence point: 0.105L Initial [H30+] is 5.01 x 10-4 mol/L