Homework Answers
![Dort ingang voti - 1.36 eneens 2020-3-25 2 part-c H₂ot] =10 -0.044668359 m. a 0.045m Part-B HC HSO (aq) + H₂O(l) & H₂O + C₂ H](http://img.homeworklib.com/questions/9fd12d40-dde9-11eb-a563-6bfa5864604b.png?x-oss-process=image/resize,w_560)
Add Answer to:
GenChem 2 Spring 2020 Part The pH of an unknown acid solution is 135. What is...
Part A Calculate the pH of a buffer solution that is 0.230 Min HC,H,O2 and 0.100...
Part A Calculate the pH of a buffer solution that is 0.230 Min HC,H,O2 and 0.100 M in NaC,H,O2. (K, for HC,H,O, is 1.8 x 10-5) Express your answer to two decimal places. VA O P O ? pH = Submit Previous Answers Request Answer X Incorrect; Try Again; 8 attempts remaining
Find the pH of each of the following solutions of mixtures of acids. Part A 0.120...
Find the pH of each of the following solutions of mixtures of acids. Part A 0.120 M in HBr and 0.125 M in HCHO, Express your answer to three decimal places. A 2 ? IVO AJD pH = .613 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part B 0.170 M in HNO2 and 8.5x10-2 Min HNO3 Express your answer to two decimal places. IVO AQ R O 2 ? pH = 0.593 Submit Previous Answers...
Part A Calculate the concentration of an aqueous solution of NaOH that has a pH of...
Part A Calculate the concentration of an aqueous solution of NaOH that has a pH of 10.80. Express your answer using two significant figures. O AQ R O OL? [NaOH) = 6.3 N Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
Part A A beaker with 1.10x102 mL of an acetic acid buffer with a pH of...
Part A A beaker with 1.10x102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.20 mL of a 0.300 M HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.740. Express your answer numerically to two decimal places. Use a minus ( - ) sign if the...
Part B What is the pH of a buffer solution containing 0.25 M H2CO3 and 0.061...
Part B What is the pH of a buffer solution containing 0.25 M H2CO3 and 0.061 MNaHCO3 ? Express your answer using two decimal places. 10 AED # O ? pH = Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining rt C Complete previous part(s)
Determine the pH of a 0.15 Macetic acid/0.39 M sodium acetate solution where K3=1.8 x 10-5...
Determine the pH of a 0.15 Macetic acid/0.39 M sodium acetate solution where K3=1.8 x 10-5 ► View Available Hint(s) 2.14 O 7.12 05.16 4.32 Submit Previous Answers * Incorrect; Try Again; 3 attempts remaining Apparently a math error was made during calculations, check your work, and see Equation 17.9 in Section 17.2 (Page 722).
s I Periodic Table or the reactions of Part E acetic acid, HC,H302, with zinc Express...
s I Periodic Table or the reactions of Part E acetic acid, HC,H302, with zinc Express your answer as a balanced chemical equation. Identify all of the phases in your answer. ΑΣφ ? a h X h |Zn(s)+ 2HC,H,O,(aq)+Zn(CH,COO), (aq) H,(g) Previous Answers Request Answer Submit X Incorrect; Try Again; 4 attempts remaining Part F Net lonic equation: Express your answer as a balanced net ionic equation. Identify all of the phases in your answer. ΑΣΦΦ Request Answer Submit Provide...
Part B A solution of water (kr = 1.86°C/m) and glucose freezes at - 415°C What...
Part B A solution of water (kr = 1.86°C/m) and glucose freezes at - 415°C What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 °C Express your answer to three significant figures and include the appropriate units. View Available Hint(s) m= 2.34 m Submit Previous Answers X Incorrect: Try Again: 5 attempts remaining Part A solution of water (K = 0.512 °C/m) and glucose boils at 101.56 °C. What...
Part A 0.30 g of hydrogen chloride (HCl) is dissolved in water to make 2.5 L...
Part A 0.30 g of hydrogen chloride (HCl) is dissolved in water to make 2.5 L of solution. What is the pH of the resulting hydrochloric acid solution? Express the pH numerically to two decimal places. View Available Hint(s) A O ? O A pH = 2.56 Submit Previous Answers X Incorrect; Try Again; 3 attempts remaining Part B 0.35 g of sodium hydroxide (NaOH) pellets are dissolved in water to make 6.5 L of solution. What is the pH...
Need help with Part E. Calculate the pH after the following volumes of acid (31.0 mL)...
Need help with Part E.
Calculate the pH after the following volumes of acid (31.0 mL)
have been added.
Will rate high is answer is correct. Thank you!
M Review Constants Periodic Table You may want to reference (Pages 729 - 739) Section 17.3 while completing this problem. pH = 2.17 A 20.0-mL sample of 0.150 M KOH is titrated with 0.125 M HCIO4 solution. Calculate the pH after the following volumes of acid have been added. Submit Previous Answers...
Part A Calculate the pH of a buffer solution that is 0.230 Min HC,H,O2 and 0.100 M in NaC,H,O2. (K, for HC,H,O, is 1.8 x 10-5) Express your answer to two decimal places. VA O P O ? pH = Submit Previous Answers Request Answer X Incorrect; Try Again; 8 attempts remaining
Find the pH of each of the following solutions of mixtures of acids. Part A 0.120 M in HBr and 0.125 M in HCHO, Express your answer to three decimal places. A 2 ? IVO AJD pH = .613 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part B 0.170 M in HNO2 and 8.5x10-2 Min HNO3 Express your answer to two decimal places. IVO AQ R O 2 ? pH = 0.593 Submit Previous Answers...
Part A Calculate the concentration of an aqueous solution of NaOH that has a pH of 10.80. Express your answer using two significant figures. O AQ R O OL? [NaOH) = 6.3 N Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
Part A A beaker with 1.10x102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.20 mL of a 0.300 M HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.740. Express your answer numerically to two decimal places. Use a minus ( - ) sign if the...
Part B What is the pH of a buffer solution containing 0.25 M H2CO3 and 0.061 MNaHCO3 ? Express your answer using two decimal places. 10 AED # O ? pH = Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining rt C Complete previous part(s)
Determine the pH of a 0.15 Macetic acid/0.39 M sodium acetate solution where K3=1.8 x 10-5 ► View Available Hint(s) 2.14 O 7.12 05.16 4.32 Submit Previous Answers * Incorrect; Try Again; 3 attempts remaining Apparently a math error was made during calculations, check your work, and see Equation 17.9 in Section 17.2 (Page 722).
s I Periodic Table or the reactions of Part E acetic acid, HC,H302, with zinc Express your answer as a balanced chemical equation. Identify all of the phases in your answer. ΑΣφ ? a h X h |Zn(s)+ 2HC,H,O,(aq)+Zn(CH,COO), (aq) H,(g) Previous Answers Request Answer Submit X Incorrect; Try Again; 4 attempts remaining Part F Net lonic equation: Express your answer as a balanced net ionic equation. Identify all of the phases in your answer. ΑΣΦΦ Request Answer Submit Provide...
Part B A solution of water (kr = 1.86°C/m) and glucose freezes at - 415°C What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 °C Express your answer to three significant figures and include the appropriate units. View Available Hint(s) m= 2.34 m Submit Previous Answers X Incorrect: Try Again: 5 attempts remaining Part A solution of water (K = 0.512 °C/m) and glucose boils at 101.56 °C. What...
Part A 0.30 g of hydrogen chloride (HCl) is dissolved in water to make 2.5 L of solution. What is the pH of the resulting hydrochloric acid solution? Express the pH numerically to two decimal places. View Available Hint(s) A O ? O A pH = 2.56 Submit Previous Answers X Incorrect; Try Again; 3 attempts remaining Part B 0.35 g of sodium hydroxide (NaOH) pellets are dissolved in water to make 6.5 L of solution. What is the pH...
Need help with Part E.
Calculate the pH after the following volumes of acid (31.0 mL)
have been added.
Will rate high is answer is correct. Thank you!
M Review Constants Periodic Table You may want to reference (Pages 729 - 739) Section 17.3 while completing this problem. pH = 2.17 A 20.0-mL sample of 0.150 M KOH is titrated with 0.125 M HCIO4 solution. Calculate the pH after the following volumes of acid have been added. Submit Previous Answers...
Most questions answered within 3 hours.
-
A single NEC SX-9 vector processor unit (VPU) has a peak
arithmetic
performance of 102.4 GFs/s....
asked 1 minute ago -
. Determine the hourly multiplication factors
such that the total daily water consumption will equal 15,000...
asked 2 minutes ago -
A budgeting Web site reported that 35% of U.S. households have
withdrawn money from a 401(k)...
asked 1 minute ago -
In this assignment, you will write a minimum two-page paper that
explains the treatment of internal...
asked 5 minutes ago -
Direct marketing is also referred to as Question 50 options: 1)
one-to-one marketing. 2) business-customer marketing....
asked 8 minutes ago -
INK Ltd is grocery retailer with 103 shops around South
Australia and Tasmania. The company has...
asked 13 minutes ago -
HOW BEER IS MADE
The beer making process is an art. It takes time, patience and...
asked 14 minutes ago -
What two methods could be used to purify the dimethyl
fumarate?
Based on the 12 Principles...
asked 23 minutes ago -
Reflect upon the readings and videos as well as our Media Monday
discussion. Integrating concepts from...
asked 28 minutes ago -
1. A cylindrical capacitor with A = 0.01, B = 0.1 and a length
of 5...
asked 35 minutes ago -
Explain how taking an SGLT-2 inhibitor, along with taking
insulin leads to ketoacidosis in people who...
asked 44 minutes ago -
Show the truth table of the
gates needed to control the PISO internal FF, has a...
asked 47 minutes ago