(Answered) Part 1 what is the ph of a 018 m solution of methylammonium

Academics

Part 1: What is the pH of a 0.18 M solution of methylammonium nitrate (CH3NH3NO3)? Kb for methylamine (CH3NH2) is 5.0 × 10-4.

Part 2: A 10 mL sample of 0.3 M NH4Cl is titrated with 0.1 M NaOH. What is the pH of the so- lution after 70 mL of NaOH has been added?

Part 3: Which of the following acid-base indicators should be used for the titration of NH3 with HBr? Kb of ammonia is 1.8 ×10-5.

1. Methyl red, color change red/yellow at 4.4 < pH < 6.2

2. Any of these is suitable.

3. Neutral red, color change red/yellow 6.8 < pH < 8.0

4. Phenolphthalein, color change colorless/red-violet 8.0 < pH < 10.0

5. None of these is suitable.

View complete question

Biology, Academics

Category:- Biology
Reference No.:- M92727580
Price:- $20

Verified Expert

Priced at $40 Now at $20, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Biology

Calculate the concentrations at eqbm of h2co3 hco3- co32-

Calculate the concentrations at eqbm of H2CO3, HCO3-, CO32-, and H+ in a saturated aq solution of H2CO3 in which the original concentration of H2CO3 is 0.034M (Ka1= 4.3*10^-7, Ka2 = 4.8*10^-11)

The human microbiome and its relationship to human health

The human microbiome and its relationship to human health, what aspect to the human microbiome is vital?

Question topic 2 article the cusp of a revolution in

Question: Topic 2 [article]: The cusp of a revolution in medicine. In a recent op-ed, Craig Venter (2)* shares his opinion that we are "on the cusp of a revolution" in medicine. (a) Describe three things that you learned ...

Trace the flow of carbon within the process of

Trace the flow of carbon within the process of photosynthesis. Be sure to include the following terms in your description: Glucose.NADPH,ATP, Calvin cycle, RUBISCO,CO2.

Choose one of the areas mentioned above that you would like

Choose ONE of the areas mentioned above that you would like to learn more about and write two or three paragraphs describing the process and how it relates to metabolism within the cell. Provide at least one specific (na ...

A suspension is formed from uniform particles of solid of

A suspension is formed from uniform particles of solid, of diameter 10 Mm, suspended in a solvent. What is the best description of this system?

How does the fact that dna is compacted into chromosomes

How does the fact that DNA is compacted into chromosomes specifically help with replication/and or transcription?

Question in portugal employers are not allowed to terminate

Question: In Portugal, employers are not allowed to terminate employees. In Japan, employers are required to measure the waistlines of their employees, and anyone whose waist exceeds the allowed size is put on a diet by ...

What are the equations for molarity molality density ppm

What are the equations for Molarity, molality, density, ppm, ppb, mass percent, Volume percent, and mole percent?

You take a small section of leaf and view it underneath a

You take a small section of leaf and view it underneath a microscope. You count 25 stomata. Now you want to calculate how many stomata would be in a leaf the size of a penny. a) Calculate the area of the view of view (A= ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Biology Expert