Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Chemistry
Calucluate the pH of 100 mL of buffer that is 0.075 M NH4Cl and 0.175 M NH3 before and after the addition of 1.00 mL of 5.05 M HNO3
I have no idea where to even start. HELP!
1 answer
Set up ICE charts and use the Henderson-Hasselbalch equation.
You can
ask a new question
or
answer this question
.
Related Questions
•Which of the following solutions will be the best buffer at a pH of 9.26? (Ka for HC2H3O2 is 1.8 x 10–5; Kb for NH3 is 1.8
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
calculate the change in pH when 9.00ml of 0.100M HCl(aq) is added to 100.0mL of a buffer solution that is 0.100M in NH3(aq) and
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
A buffer solution is prepared by combining 100 mL of 0.010 M HCOOH and 80 mL of 0.010 M NaHCOO.
Calculate the pH of this buffer
a) Calculate the change in pH when 4.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in
Calculate the enthalpy change (ΔH) for: HCl(aq) + NH3(aq) → NH4Cl(aq)
The reaction of 50.0 mL of 1.00 M HCl with 50.0 mL of
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
If the theoretical molar enthalpy of solution for NH4Cl(aq) is +14.7 KJ/mol, what mass of NH4Cl is needed to decrease the
Calculate the weight of the buffers you will use to make the buffers for Part A for all the buffer possibilities listed under
