A research chemist adds a measured amount of HCl gas to pure water at 25°C and...
A research chemist adds a measured amount of HCl gas to pure water at 25°C and obtains a solution with [H3O+] = 3.0 × 10−4 M. Calculate [OH−]. Is the solution neutral, acidic, or basic? Please explain with steps my professor does not do that!
Homework Answers
![· [H30+) = 3.0x104m at 25°C [H30+] [ 0H] = 1 *lölt (3.0x164) [0H] = 1X1014 [ H] = 3.34X10 M pH = -log [H30+) pH = -log (3.0x](http://img.homeworklib.com/questions/b67c0a30-d08b-11ea-85cb-0bb8f582a95f.png?x-oss-process=image/resize,w_560)
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A research chemist adds a measured amount of HCl gas to pure
water at 25°C and...
1- Calculating [H+] for Pure Water: In a certain acidic solution at 25 ∘C, [H+] is...
1- Calculating [H+] for Pure Water: In a certain acidic solution at 25 ∘C, [H+] is 100 times greater than [OH −]. What is the value for [OH −] for the solution? In a certain acidic solution at 25 , [] is 100 times greater than [ ]. What is the value for [ ] for the solution? 1.0×10−8 M 1.0×10−7 M 1.0×10−6 M 1.0×10−2 M 1.0×10−9 M 2. ± Acid-Base Relationships in Water: Water ionizes by the equation H2O(l)⇌H+(aq)+OH−(aq)The...
Calculate the pH values of the following solutions. All solutions are prepared in water at 25...
Calculate the pH values of the following solutions. All solutions are prepared in water at 25 ºC unless noted otherwise. Kw = 1.0 × 10−14 = [H3O+ ][OH− ] at 25 ºC The neutral pH of pure water is 7.00 at 25 °C. If the Kw is 1.47×10−14 at 40 °C, calculate the neutral pH of pure water at 40 °C. A neutral pH means the pH of a solution when [H3O+ ] = [OH− ]
Help please and show all work! Problem Set 14 CHEM 1252 November 4, 2019 4. At...
Help please and show all work!
Problem Set 14 CHEM 1252 November 4, 2019 4. At 25 °C, K= 1.0 x 10-14, while at 0 °C, K= 1.2 x 10-15 (a) Explain whether water becomes a stronger or weaker acid as temperature decreases. (b) Write the equilibrium constant expression for the ionization of water to hydronium ion and hydroxide and calculate the concentrations of [H3O*] and [OH in pure water at 0 °C. (c) An aqueous solution at 25 °C...
Calculate [H3O+] at 25∘C for each solution and determine whether the solution is acidic, basic, or...
Calculate [H3O+] at 25∘C for each solution and determine whether the solution is acidic, basic, or neutral. Part A [OH−]=8.3×10−2 . Part C [OH−]=2.9×10−10
Can anyone solve question 32? A basic solution does not contain H30+ A neutral solution does...
Can anyone solve question 32?
A basic solution does not contain H30+ A neutral solution does not contain any H3O+ or OH- A neutral solution contains [H20] - [H30-1 In a neutral solution the pH must equal 7 Question 31 1 pts ho What is the concentration of hydroxide ions in pure water at 35.0°C. if Kw at this temperature is 1.87 x 10-14? (show work on given page) Question 32 1 pts Calculate the concentration of H30" in a...
1.Assuming complete combustion, 500. g of pentane (C5H12) reacts with 1.00 kg of oxygen gas. a....
1.Assuming complete combustion, 500. g of pentane (C5H12) reacts with 1.00 kg of oxygen gas. a. What is the limiting reagent? b. What is the theoretical yield of water? c. If 350. grams of water are produced, what is the percent yield? 2. What is the molarity of a solution of HClO3 made from weighing 25.26 g of HClO3 and dissolving it in enough water to make a total volume of 325.0 mL? Calculate the pH of this solution. Is...
What is the pH of a 4.0 x 10-8 M solution of HCl(aq) at 25 °C?...
What is the pH of a 4.0 x 10-8 M solution of HCl(aq) at 25 °C? Report your answer to the hundredths place. 6.53 0 pH = Consider the reaction. CH,CH,0 + HCECH =HCEC:" + CH, CH,OH Classify each reactant and product as an acid or base according to the Brønsted theory. Acid Base CH,CH,0 HCEC" HCECH CH,CH, OH Answer Bank Each value represents a different aqueous solution at 25°C. Classify each solution as acidic, basic, or neutral. Acidic Basic...
number 16 15. Explain why a sample of pure water at 40 °C is neutral even...
number 16
15. Explain why a sample of pure water at 40 °C is neutral even though [H3O= 1.7 x 101 1014 at 40 °C. M. Kw is 2.9 X 16. The ionization constant for water (Ky) is 2.9 x 1014 at 40 °C. Calculate [H30 ], [OH], pH, and pOH for pure water at 40 °C.
PLEASE explain part (c) clearly with detailed steps...I know the answer is 19 mL 6. A...
PLEASE explain part (c) clearly with detailed steps...I know the
answer is 19 mL
6. A chemist starts her experiments with 25.00 mL of 0.125 mol L + NaCN solution. The pKof HCN = 9.20. a) What volume of 0.100 mol + HCl will be required to fully react with the above salt? b) After the reaction in part a) takes places, will the pH of the solution be acidic, basic or neutral? c) What volume of 0.100 mol L?HCl...
A 1.025 L sample of HCl gas at 25∘C and 732.0 mm Hg was absorbed completely...
A 1.025 L sample of HCl gas at 25∘C and 732.0 mm Hg was absorbed completely in an aqueous solution that contained 7.050 g of Na2CO3 and 243.0 g of water. What is the pH of the solution? What is the freezing point of the solution? What is the vapor pressure of the solution? (The vapor pressure of pure water at 25 ∘C is 23.76 mm Hg.)
Help please and show all work!
Problem Set 14 CHEM 1252 November 4, 2019 4. At 25 °C, K= 1.0 x 10-14, while at 0 °C, K= 1.2 x 10-15 (a) Explain whether water becomes a stronger or weaker acid as temperature decreases. (b) Write the equilibrium constant expression for the ionization of water to hydronium ion and hydroxide and calculate the concentrations of [H3O*] and [OH in pure water at 0 °C. (c) An aqueous solution at 25 °C...
Can anyone solve question 32?
A basic solution does not contain H30+ A neutral solution does not contain any H3O+ or OH- A neutral solution contains [H20] - [H30-1 In a neutral solution the pH must equal 7 Question 31 1 pts ho What is the concentration of hydroxide ions in pure water at 35.0°C. if Kw at this temperature is 1.87 x 10-14? (show work on given page) Question 32 1 pts Calculate the concentration of H30" in a...
What is the pH of a 4.0 x 10-8 M solution of HCl(aq) at 25 °C? Report your answer to the hundredths place. 6.53 0 pH = Consider the reaction. CH,CH,0 + HCECH =HCEC:" + CH, CH,OH Classify each reactant and product as an acid or base according to the Brønsted theory. Acid Base CH,CH,0 HCEC" HCECH CH,CH, OH Answer Bank Each value represents a different aqueous solution at 25°C. Classify each solution as acidic, basic, or neutral. Acidic Basic...
number 16
15. Explain why a sample of pure water at 40 °C is neutral even though [H3O= 1.7 x 101 1014 at 40 °C. M. Kw is 2.9 X 16. The ionization constant for water (Ky) is 2.9 x 1014 at 40 °C. Calculate [H30 ], [OH], pH, and pOH for pure water at 40 °C.
PLEASE explain part (c) clearly with detailed steps...I know the
answer is 19 mL
6. A chemist starts her experiments with 25.00 mL of 0.125 mol L + NaCN solution. The pKof HCN = 9.20. a) What volume of 0.100 mol + HCl will be required to fully react with the above salt? b) After the reaction in part a) takes places, will the pH of the solution be acidic, basic or neutral? c) What volume of 0.100 mol L?HCl...
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