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.
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
What is the percent dissociation of HNO2 when 0.074 g of sodium nitrite is added to...
A 1.00 L solution contains 22.52 g of nitrous acid, HNO2. What mass of sodium nitrite, NaNO2, should be added to it to make a buffer with a pH of 2.96? Ka (HNO2) = 4.0 × 10–4.
A 1.00 L solution contains 23.52 g of nitrous acid, HNO2. What mass of sodium nitrite, NaNO2, should be added to it to make a buffer with a pH of 2.36? Ka (HNO2) = 4.0 × 10–4.
A 1.00 L solution contains 15.52 g of nitrous acid, HNO2. What mass of sodium nitrite, NaNO2, should be added to it to make a buffer with a pH of 2.66? Ka (HNO2) = 4.0 × 10–4.
A 1.00 L solution contains 20.52 g of nitrous acid, HNO2.What mass of sodium nitrite, NaNO2, should be added to it to make a buffer with a pH of 3.56? Ka (HNO2) = 4.0 × 10–4.
What is the pH of a solution prepared by adding 1.59 g of sodium nitrite to 195 mL of water? Ka of HNO2 is 4.5 x 10-4.
How many grams of solid sodium nitrite should be added to 2.00 L of 0.210 M nitrous acid solution to prepare a buffer with a pH of 2.810? (Ka for nitrous acid = 4.50×10-4) g sodium nitrite
A 100 Lsolution contains 19.52 gof nitrous acid, HNO2.What mass of sodium nitrite, NaN02, should be added to it to make a buffer with a pH of 2.66? K(HNO2) 4.0x 10-4
HNO2 has an acid dissociation constant of Ka = 4.0 x 10-4. What is the pH of a 0.25 M NO2- solution? a. 2.00 b. 4.30 c. 8.40 d. 10.25 e. 14.00
4. Calculate the pH and percent dissociation of the solution when 125.0 mL of 0.100 M HCI is added to 500.0 mL of 0.150 M sodium acetate (Kb = 5.71 x 10-10) ANSWER: pH = 5.456, 16.7%
15.0 mL of 0.50 M HCl is added to a 100.-mL sample of 0.462 M HNO2 (Ka for HNO2 = 4.0 x 10–4). What is the equilibrium concentration of NO2– ions?