Question

A buffer is prepared by adding 12.0g of ammonium chloride (NH4Cl) to 240mL of 1.00 M...

A buffer is prepared by adding 12.0g of ammonium chloride (NH4Cl) to 240mL of 1.00 M NH3 solution.

Part A What is the pH of this buffer?

Part B Write the complete ionic equation for the reaction that occurs when a few drops of nitric acid are added to the buffer. Express your answer as a chemical equation. Identify all of the phases in your answer.

Part C Write the complete ionic equation for the reaction that occurs when a few drops of potassium hydroxide solution are added to the buffer. Express your answer as a chemical equation. Identify all of the phases in your answer.

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A buffer is prepared by adding 23.0 g of sodium acetate (CH3COONa) to 510 mL of...
A buffer is prepared by adding 23.0 g of sodium acetate (CH3COONa) to 510 mL of a 0.145 Macetic acid (CH3COOH) solution. Determine the pH of the buffer. Write the complete ionic equation for the reaction that occurs when a few drops of hydrochloric acid are added to the buffer. Write the complete ionic equation for the reaction that occurs when a few drops of sodium hydroxide solution are added to the buffer.
A buffer is prepared by adding 22.0 g of sodium acetate (CH3COONa) to 520 mL of...
A buffer is prepared by adding 22.0 g of sodium acetate (CH3COONa) to 520 mL of a 0.155 Macetic acid (CH3COOH) solution. A)Determine the ph of the buffer. B)Write the complete ionic equation for the reaction that occurs when a few drops of hydrochloric acid are added to the buffer. C)Write the complete ionic equation for the reaction that occurs when a few drops of sodium hydroxide solution are added to the buffer.
Part A Write a balanced molecular equation and a net ionic equation for the reaction that...
Part A Write a balanced molecular equation and a net ionic equation for the reaction that occurs when magnesium carbonate reacts with a hydrochloric acid solution. Express your answers as chemical equations separated by a comma. Identify all of the phases in your answer. SubmitMy AnswersGive Up Part B Write a balanced molecular equation and a net ionic equation for the reaction that occurs when magnesium oxide reacts with a hydrochloric acid solution. Express your answers as chemical equations separated...
Please answer all! For each of the following precipitation reactions, calculate how many grams of the...
Please answer all! For each of the following precipitation reactions, calculate how many grams of the first reactant are necessary to completely react with 17.5 g of the second reactant. Part A Na2CO3(aq)+CuCl2(aq)→CuCO3(s)+2NaCl(aq) m=____g Part B K2SO4(aq)+Sr(NO3)2(aq)→SrSO4(s)+2KNO3(aq) m=_____g _______________________ Predict the type of reaction (if any) that occurs between each of the following substances. Write balanced molecular equations for each. If no reaction occurs, write NOREACTION . Part A aqueous ammonium chloride and aqueous calcium hydroxide Express your answer as...
1) A buffer contains significant amounts of ammonia and ammonium chloride. Part A Write an equation...
1) A buffer contains significant amounts of ammonia and ammonium chloride. Part A Write an equation showing how this buffer neutralizes added acid (HI). Express your answer as a chemical equation. Part B Write an equation showing how this buffer neutralizes added base (CsOH). Express your answer as a chemical equation. 2) Calculate the ratio of CH3NH2 to CH3NH3Cl required to create a buffer with pH = 10.20. Express your answer using two significant figures. 3) A 1.0-L buffer solution...
PART A A buffer solution contains 0.358 M ammonium chloride and 0.499 M ammonia. If 0.0274...
PART A A buffer solution contains 0.358 M ammonium chloride and 0.499 M ammonia. If 0.0274 moles of perchloric acid are added to 125 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume change does not change upon adding perchloric acid) pH = _______ PART B A buffer solution contains 0.328 M nitrous acid and 0.481 M sodium nitrite. If 0.0248 moles of hydrochloric acid are added to 125 mL of this...
Which of the following compounds are more soluble in acidic solution than in pure water? Check...
Which of the following compounds are more soluble in acidic solution than in pure water? Check all that apply. BaCO3, ZnS, AgCl, Fe(OH)3 Part B Write a balanced net ionic equation for dissolution reaction of ZnS. Express your answer as a chemical equation. Identify all of the phases in your answer. Part C Write a balanced net ionic equation for dissolution reaction of Fe(OH)3. Express your answer as a chemical equation. Identify all of the phases in your answer. Part...
1. what chemical reaction is responsible for the endpoint observed when the NH3/NH4Cl buffer solution is...
1. what chemical reaction is responsible for the endpoint observed when the NH3/NH4Cl buffer solution is titrated with HCl? Write a balanced ionic equation for the reaction. 2. Compare the rate at which pH changes when HCl is added to the buffer solution to the rate of change when no buffer or base is present (distilled water). 3. What effect does dilution of the buffer have on the initial pH, On the pH at the endpoint? On the volume of...
A strontium hydroxide solution is prepared by dissolving 10.40 g of Sr(OH)2 in water to make...
A strontium hydroxide solution is prepared by dissolving 10.40 g of Sr(OH)2 in water to make 47.00 mL of solution.What is the molarity of this solution? Express your answer to four significant figures and include the appropriate units. SubmitMy AnswersGive Up Part B Next the strontium hydroxide solution prepared in part (a) is used to titrate a nitric acid solution of unknown concentration.Write a balanced chemical equation to represent the reaction between strontium hydroxide and nitric acid solutions. Express your...
An ammonium buffer was prepared from 50.0ml of 0.145M NH3 and 25.0ml of 0.254M NH4Cl. a)...
An ammonium buffer was prepared from 50.0ml of 0.145M NH3 and 25.0ml of 0.254M NH4Cl. a) Write out the reactions involved in the above solution. (can be more than one) b) what is the pH of initial buffer, NH3 Kb = 1.8 e^-5 c) what is the pH of this solution if you add 2.0ml of a strong acid, 1.1M HCl, to above buffer. Show all reactions.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT