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A solution of HNO2 is

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. 871 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. 5,232 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. 1,557 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. 1,423 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. 3 answers
2. asked by Holly
3. 965 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. 1,256 views
What volumes of 0.53 M HNO2 and 0.46 M NaNO2 must be mixed to prepare 1.00 L of a solution buffered at pH = 3.55?HNO2
1. 2 answers
2. asked by jacky
3. 704 views
Caclulate the Ka of nitrous acid if a 0.200 mol/L solution at equilibrium at SATP has a percent ionization of 5.8%ka=(H+)(NO2-)/
1. 2 answers
2. asked by Dustin
3. 1,202 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. 865 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. 1,013 views