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Calculate the pH at the point in the titration of 25.00 mL 0.108 M HNO2 at which 10.00 mL 0.162 M NaOH have been added. For
1. 3 answers
2. asked by Holly
3. 949 views
Calculate the pH at the point in the titration of 25.00 mL 0.108 M HNO2 at which 10.00 mL 0.162 M NaOH have been added. For
1. 2 answers
2. asked by Holly
3. 1,240 views
What mass of solid potassium nitrite would need to be dissolved in 500. mL of 0.40 M HNO2 to make 500. mL of a NO2−/HNO2
1. 1 answer
2. asked by Anonymous
3. 860 views
You have solutions of 0.200 M HNO2 and 0.200 M KNO2 (Ka for HNO2 = 4.00  10-4). A buffer of pH 3.000 is needed. What volumes
1. 4 answers
2. asked by Oli
3. 5,219 views
You have solutions of 0.200 M HNO2 and 0.200 M KNO2 (Ka for HNO2 = 4.00  10-4). A buffer of pH 3.000 is needed. What volumes
1. 2 answers
2. asked by Oli
3. 1,548 views
Buffers- Common Ion effectIS this Correct Calculate the pH of a aqueous solution containing 0.15 M HNO2 and 0.20 M NaNO2 (aq).
1. 1 answer
2. asked by Saira
3. 1,410 views
At 298 K, nitrous acid (HNO2) dissociates in water with a Ka of 0.00071.a)Calculate G° for the dissociation of HNO2. (Use Ka to
1. 1 answer
2. asked by Heather
3. 1,503 views
500 ml of a buffer solution with ph=2.10 must be prepared using .4 M HNO2 and solid KNO2. The ka value of HNO2 is 4e-3.a.) What
1. 1 answer
2. asked by Anonymous
3. 856 views
500 ml of a buffer solution with ph=2.10 must be prepared using .4 M HNO2 and solid KNO2. The ka value of HNO2 is 4e-3.a.) What
1. 1 answer
2. asked by Anonymous
3. 1,003 views
One liter of a buffer composed of 1.2 M HNO2 and 0.8 M NaNO2 is mixed with 400 mL of 0.5 M NaOH. What is the new pH? Assume the
1. 2 answers
2. asked by anon
3. 1,855 views