Question
Please check if question 18 is right, and please answer and explain 11,12, and 20
Phenol (abbreviated PhoH) is a weak acid with a K, value of 1.3x10-10. What is the pH of 0.25 M PhOH? O 0.60 O 9.28 5.24 8.76
QUESTION 11 A 2.00 mL solution of 0.00800 M Fe(NO), is mixed with 3.00 mL of 0.00300 M NASCN to form the blood red FeSCN2+ co
QUESTION 12 10 points Saved In performing the equilibrium experiment, a student forgot to add the HNO, solution to the mixtur
QUESTION 20 10 point When performing the pH experiment, if a student did not rinse off the pH probe between measuring the pH
0 0
Add a comment Improve this question Transcribed image text
Answer #1

18) Ka=13* 10-10 0.25 m weak acid Phot Let, PHOH = HA Partial ionisation of weak acid, .HA+H2O ? A + H₂ot. . Ka= [A-] [Izot]

Add a comment
Know the answer?
Add Answer to:
Please check if question 18 is right, and please answer and explain 11,12, and 20 Phenol...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • QUESTION 2 Explain how the percentage of completion method of accounting is different from the cash...

    QUESTION 2 Explain how the percentage of completion method of accounting is different from the cash method of accounting For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).

  • QUESTION 13 Explain what is wrong with the following mechanism step and provide an alternative way...

    QUESTION 13 Explain what is wrong with the following mechanism step and provide an alternative way in which the two species could react. :SCH For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). TTT Arial

  • please answer questions in paragraph format thank you. do not copy and paste frok text book...

    please answer questions in paragraph format thank you. do not copy and paste frok text book please of hormones and their receptors. For the toolbar, press ALT+F10 (PC) or ALT.FN.F10 (Mac). T T TT Paragraph - Font famil -Font size . E T. %DOQE T' TO 2549-- Sx Mashups. 1 © © Pappan QUESTION 2 Give an overview of the control and function of the anterior pituitary For the toolbar, press ALT F10 (PC) O ALT-FN-F10 Mac). TTTT Paragraph Arlal...

  • QUESTION 18 x owed by her. What are her Judy Jensen files her return two months...

    QUESTION 18 x owed by her. What are her Judy Jensen files her return two months after the due date and pays the remaining $20,000 of ta delinquency penalties in total? $ For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).

  • Sun Wu Save this response. < Question 4 of 20 Saved Question 4 5 points If...

    Sun Wu Save this response. < Question 4 of 20 Saved Question 4 5 points If your starting material contained more than one functional group, how could you force the reaction to occur only at one group and not the other? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac)

  • Please help me with step by step solution. Thank you. A 0.601 g sample of bleach...

    Please help me with step by step solution. Thank you. A 0.601 g sample of bleach was treated with an excess of Kl. The iodine liberated required 12.34 mL of 0.0692 M Na2S203 for titration. What is the percentage of KOCI in the bleach? And can we use Nal to replace Kl in the titration? Why? For the toolbar, press ALT+F10 (PC) or ALT+FN+F 10 (Mac).

  • QUESTION 5 If the price of steel, equilibrium price and quantity of autosobiles? Explain using Supply...

    QUESTION 5 If the price of steel, equilibrium price and quantity of autosobiles? Explain using Supply and Demand For the toolbar, press ALT-F10 (PC) or ALT FN+F10 (Mac) an input into the production of automobiles, rises, and at the same time the price of gasoline decreases, what will happen to the Pathp Words 37 QUESTION a Girvern the table below, answer the tollowing gpts ty Demanded uantity Supplied Click Save and Submit to Save All Anss Practice Exam 3.5pd jan...

  • help me pls QUESTION 7 For a 0.7M HF solution with a Ka= 6.6x10-4 What is...

    help me pls QUESTION 7 For a 0.7M HF solution with a Ka= 6.6x10-4 What is the H30+ concentration: Whats id the pH: QUESTION 8 What is the pH of a buffer with with 0.6M sodium acetate and 0.7 acetic acid (Ka#1.8x10-5 (Please do two decimal places) pH QUESTION 9 How did you really feel about workshop/lecture? what did you like? what did you not like? (Don't be afraid to be honest) For the toolbar, press ALT+F10 (PC) or ALT+FN+F10...

  • Question 1 O points Save Answer Pentaborane B SH (s) burns vigorously in O 2 to...

    Question 1 O points Save Answer Pentaborane B SH (s) burns vigorously in O 2 to give B 20 30s) and H 2001). Calculate H xn for the combustion of 5.00 mol of B SH 9. AH [B 20 3()] = -1,273.5 kJ/mol AH" fB SH 9()] - 73.2 kj/mol AH" fH 20(1 -285.8 kJ/mol For the toolbar, press ALT+F10 (PC) or ALT+FN+F10(Mac). TTT Arial .3(12pt) .T.E.E..225 Path:p Words:0

  • Remaining Time: 1 hour, 01 minute, 06 seconds. Question Completion Status: Antioxidants QUESTION 18 Match the...

    Remaining Time: 1 hour, 01 minute, 06 seconds. Question Completion Status: Antioxidants QUESTION 18 Match the description and examples provided with the categories in which they be Programmed. B. Aging process is largely determined by environment and behavior. The aging process is largely determined by genes and genetics says that normal aging follows a pre-determined plan. • says that the aging process cannot be modified. . says that the aging process can be modified. A. Unprogrammed B. Programmed QUESTION 19...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT