Question

Calculate the pH of a solution which is 0.400 M in HNO2 and 1.875 M in...

Calculate the pH of a solution which is 0.400 M in HNO2 and 1.875 M in Ca(NO2)2. The Ka for HNO2 is 4.5 x 10-4

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Calculate the pH of a 0.375 M aqueous solution of nitrous acid (HNO2, Ka = 4.5×10-4)...
Calculate the pH of a 0.375 M aqueous solution of nitrous acid (HNO2, Ka = 4.5×10-4) and the equilibrium concentrations of the weak acid and its conjugate base. pH =    [HNO2 ]equilibrium =    M [NO2- ]equilibrium =    M
Find the pH of 2.00 M HNO2 (aq) solution at 25 degrees C. Given: HNO2 +...
Find the pH of 2.00 M HNO2 (aq) solution at 25 degrees C. Given: HNO2 + H2O <--> NO2 + H30 Ka for HNO2 = 4.6 x 10^-4 The answer is pH=2.02. Please show me how to get this answer.
Calculate the pH of the buffer solution (1.00 M HNO2 and 1.00 M NaNO2) after 0.20...
Calculate the pH of the buffer solution (1.00 M HNO2 and 1.00 M NaNO2) after 0.20 mol of NaOH is added to 1.00 L of buffer solution (Ka = 4.0 x 10^-4)
a. Calculate the pH of a 0.538 M aqueous solution of hydrofluoric acid (HF, Ka =...
a. Calculate the pH of a 0.538 M aqueous solution of hydrofluoric acid (HF, Ka = 7.2×10-4). b. Calculate the pH of a 0.0242 M aqueous solution of nitrous acid (HNO2, Ka = 4.5×10-4).
Calculate the pH and the percent dissociation in 1.5 M HNO2 (Ka=4.5×10−4). Calculate the percent dissociation...
Calculate the pH and the percent dissociation in 1.5 M HNO2 (Ka=4.5×10−4). Calculate the percent dissociation of 1.5 M HNO2
Calculate the pH after 0.15 mole of NaOH is added to 1.05 L of a solution...
Calculate the pH after 0.15 mole of NaOH is added to 1.05 L of a solution that is 0.48 M HNO2 and 1.06 M LiNO2, and calculate the pH after 0.30 mole of HCl is added to 1.05 L of the same solution of HNO2 and LiNO2. ka of hno2 is 4.5 x 10^-4
What is the pH of a 0.0520 M solution of nitrous acid (HNO2)? (Ka = 4.5...
What is the pH of a 0.0520 M solution of nitrous acid (HNO2)? (Ka = 4.5 x 10-4) (Hint: use ICE and solve the quadratic equation) OR something A LOT simple PLEASE Question options: a) pH = 2.34 b) pH = 2.32 c) pH = 2.30 d) pH = 2.36     
For the nitrous acid, HNO2, Ka= 4.0 x 10^-4. Calculate the ph of 0.27 M HNO2
For the nitrous acid, HNO2, Ka= 4.0 x 10^-4. Calculate the ph of 0.27 M HNO2
A student is given 300.0 ml of a 1.10 M HNO2 solution. The Ka of the...
A student is given 300.0 ml of a 1.10 M HNO2 solution. The Ka of the acid is 4.5 X 10-4. What mass of KNO2 in grams should the student dissolve in the HNO2 solution to turn it into a buffer with pH 3.57?
Determine the concentration of a NaNO2 solution that has a pH of 8.22. Ka for HNO2...
Determine the concentration of a NaNO2 solution that has a pH of 8.22. Ka for HNO2 is 4.5 x 10-4