Question

What mass of sodium nitrite must be added to 350 mL of water to give a...

What mass of sodium nitrite must be added to 350 mL of water to give a solution with pH=8.40?[Ka(HNO2)=5.6x10^-4]

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
What is the percent dissociation of HNO2 when 0.082 g of sodium nitrite is added to...
What is the percent dissociation of HNO2 when 0.082 g of sodium nitrite is added to 115.0 mL of a 0.071 M HNO2 solution? Ka for HNO2 is 4.0 × 10–4.
Calculate the pH of 300 mL of a 0.30 M aqueous solution of sodium nitrite (NaNO2)...
Calculate the pH of 300 mL of a 0.30 M aqueous solution of sodium nitrite (NaNO2) at 25 °C given that the Ka of nitrous acid (HNO2) is 4.5×10-4. A) 5.59 B) 8.41 (Correct Answer) C) 4.46 D) 7.00 E) 12.87
A buffer solution is prepared by placing 5.86 grams of sodium nitrite and 32.6 mL of...
A buffer solution is prepared by placing 5.86 grams of sodium nitrite and 32.6 mL of a 4.90 M nitrous acid solution into a 500.0 mL volumetric flask and diluting to the calibration mark. If 14.47 mL of a 1.23 M solution of potassium hydroxide is added to the buffer, what is the final pH? The Ka for nitrous acid = 4.6 X 10-4.
calculate the mass of NaCN that must be added to 250.0 mL of water in order...
calculate the mass of NaCN that must be added to 250.0 mL of water in order to obtain a solution having a pH of 11.25? Also, calculate the % ionization of the solution. [Ka of HCN=4.9*10^-10]
How many grams of potassium nitrite need to be added to 250.0mL of a 0.1234 M...
How many grams of potassium nitrite need to be added to 250.0mL of a 0.1234 M HNO2 solution to produce a final buffer at pH= 3.65? Ka HNO2= 4.5 x 10 ^-4
Quick Solve Please 2.        15.0 mL of 0.50 M NaOH is added to a 100.-mL sample...
Quick Solve Please 2.        15.0 mL of 0.50 M NaOH is added to a 100.-mL sample of 0.442 M NH3 (Kb for NH3 = 1.8 ´ 10–5). What is the equilibrium concentration of NH4+ ions? (3%) 3.        What is the percent dissociation of HNO2 when 0.074 g of sodium nitrite is added to 115.0 mL of a 0.068 M HNO2 solution? Ka for HNO2 is 4.0 × 10–4. (4%)
Titration of Buffer Solutions A buffer solution is prepared by placing 5.86 grams of sodium nitrite...
Titration of Buffer Solutions A buffer solution is prepared by placing 5.86 grams of sodium nitrite and 32.6 mL of a 4.90 M nitrous acid solution into a 500.0 mL volumetric flask and diluting to the calibration mark. If 11.47 mL of a 3.03 M solution of potassium hydroxide is added to the buffer, what is the final pH? The Ka for nitrous acid = 4.6 X 10-4. pH =
What mass, in grams , of sodium acetate (Na=CH3CO2-) must be added to 500 ml of...
What mass, in grams , of sodium acetate (Na=CH3CO2-) must be added to 500 ml of 0.50M acetic acid (CH3CO2H, Ka= 1.8*10^-5)?
You are dealing with the chemicals nitrous acid (HNO2) and sodium nitrite (NaNO2). Nitrous acid has...
You are dealing with the chemicals nitrous acid (HNO2) and sodium nitrite (NaNO2). Nitrous acid has a pKa of 3.398 and a Ka of 4.00 x 10-4 a) Could mixing the “ right amounts ” of nitrous acid with sodium nitrite together in water create a buffer solution ? Briefly explain, including what it means to have the “ right amounts ". b) What would be the effective pH range of this buffer? c) Instead of using a compound containing...
What mass (in grams) of potassium acetate, KC2H3O2, must be added to 82 mL of 0.010...
What mass (in grams) of potassium acetate, KC2H3O2, must be added to 82 mL of 0.010 M acetic acid to form a buffer solution with a pH of 5.24? (Ka (HC2H3O2)= 1.8 x 10-5)
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT