Questions LLC
Login
or
Sign Up
Ask a New Question
Chemistry
Acids and Bases
Buffer Solutions
Whatis the pH of a buffer that results when 0.05mol of Na3PO4 is mixed with 0.75 mol of HCl and diluted with water to 1.00L. (The acid dissociation constants for phospohoric acid are Ka1=7.5*10^-3, Ka2=6.2*10^-8 and Ka3=3.6*10^-13).
1 answer
7.21
You can
ask a new question
or
answer this question
.
Related Questions
If you add 5.0 mL of 0.50 M NaOH solution to 20.0 mL to Buffer C, what is the change in pH of
the buffer? (where buffer C is
Say, for example, that you had prepared a Buffer C, in which you mixed 8.203 g of sodium acetate, NaC2H3O2, with 100.0 mL of 1.0
You have at your lab bench the following chemicals: NaH2PO4(s), Na3PO4(s), NH4Cl(s), CH3COONa (s), 1.00 M NaOH, 1.00 M HCl, and
In protein precipitation, two liters of 5mM buffer solution with pH 5.2 is needed in the isolation of albumin. Which among the
30.0 mL of 0.10 M Ca(NO3)2 and 15.0 mL of 0.20 M Na3PO4 solutions are mixed. After the reaction is complete, which of these ions
How do i prepare 0.1 ml KH2PO4-KOH buffer, PH 7.4 (20mM)?
Deoxyribose (2.8mM) - EDTA (0.1 mM) - H2O2 (1mM) - vaniline10 mM -
Calculate the pH of the 0.20 M NH3/0.25 M NH4Cl buffer.
I calculated the pH to be 9.15 What is the pH of the buffer after the
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4
Please help:
How do you prepare 2 L of formate buffer pH=3.14 (c=0.05mol/l) (pk=3.74). THEY WANT THE VOLUMES THANKS
you have 1.00 liter each of 0.10 M Na3PO4, Na2HPO4, NaH2po4 ka 1= 7.5*10^-3 ka2=6.2*10^-8 ka3=4.8*10^-13 a) prepare 500 ml of a