What is the ph of a buffer solution
Question: What is the pH of a buffer solution prepared by mixing 10.0 mL of 0.15 M ammonia and 15.0 mL of 0.20 M ammonium chloride? Assume that the total volume of the solution is 25.0 mL. Kb for ammonia is 1.8 x 10-5.
Now Priced at $20 (50% Discount)
Recommended (94%)
Rated (4.6/5)
The entropy chage for vaporization of Hi at its boiling point is 89.0 J.K-1.mol-1. If the heat of vaporization of HI is 21.2 kJ.mol-1, what is the boiling point of HI?
Show that a 2.00 g sample of PbCl2 will dissolve in 25.0 mL of 1.00 M HCl.
What is the pressure in millimeters of mercury of 0.0105 mol of helium gas with a volume of 220 mL at a temperature of 50 degree Celsius?
Calculate the pCa+ of a solution that results from the mixing 50.0ml of 0.0100 M Ca+2 with the following solution which are buffered at a pH of 10.0:
What is the pH of a buffer solution prepared by mixing 10.0 mL of 0.15 M ammonia and 15.0 mL of 0.20 M ammonium chloride?
What is the importance of surface area (particle size), nucleation, and diffusion rate in terms of solid state reactions?
If 0.015 M NaCl shows conductivity of 12,000 unites, based on "total ion concentration" what conductivity should be observed for 0.015 M K2SO4?
After the solid sank to the bottom of the graduated cylinder the volume in the graduated cylinder was read as 15.2 mL. What is the density of the solid?
The solubility of CO2 in water at 25°C and 1 atm is 0.034 mol/L. What is its solubility under atmospheric conditions? (The partial pressure of CO2 in air is 0.0003 atm.) Assume that CO2 obeys Henry's law.
1946325
Questions Asked
3,689
Active Tutors
1437471
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
How do you usually help parents shift their perspective when they expect more academic style activities at this age?
Childhood trauma, such as witnessing domestic violence or personally experiencing abuse, has significant neurobiological effects for both physical and psycholog
Question: The emotional impact of trauma and other stresses from infancy to adolescence is called:
When measuring participant self-esteem, we might want to have participants complete the measure twice, about a week apart,
The contributions of early theorists such as Atkinson, Shiffrin, and Tulving shaped the evolution of cognitive psychology.
Which behavior is a sign of GAD? Sleeping more than usual Excessive exercising Feelings of worthlessness Having difficulty staying focused on daily tasks.
Question: Which trait is a characteristic of individuals with positive mental health?