Question

In: Chemistry

1. For a buffer solution that is made of 200.0 mL of 0.300 M HCLO with...

1. For a buffer solution that is made of 200.0 mL of 0.300 M HCLO with 100.0 mL of 0.200 M KCLO. The Ka for HCLO is 2.9*10^8. What is the PH of the buffer?

2. Consider the same solution. To this solution, if 10.00 mL of 0.100 M HCl is added, what is the new pH?

*both answers to 2 decimal places*

Solutions

Expert Solution


Related Solutions

A solution is made by mixing 200.0 ml of 0.300 M FeI3 (436.56 g / mol)...
A solution is made by mixing 200.0 ml of 0.300 M FeI3 (436.56 g / mol) with 130.0 ml of 0.800 M LiBr (86.8450 g/mol) with 150.0 ml of a 0.250M MgI2 (293.89 g/ mol) . What is the molar concentration of iodide ion in the new solution?
A 200 ml buffer solution is made up of 0.20 M HClO and 0.15 M NaClO....
A 200 ml buffer solution is made up of 0.20 M HClO and 0.15 M NaClO. What is the pH after 1.71 grams of barium hydroxide is added to solution? (assume no volume change with addition)? HINTS: Ka of HClO is 2.9x108 and barium hydroxide has a molar mass of 171.35 g/mole.
For 200.0 mL of a buffer solution that is 0.2975 M in CH3CH2NH2 and 0.2730 M...
For 200.0 mL of a buffer solution that is 0.2975 M in CH3CH2NH2 and 0.2730 M in CH3CH2NH3Cl, calculate the initial pH and the final pH after adding 0.0100 mol of NaOH(Kb=6.46⋅10−4).
A buffer solution is made that is 0.363 M in HClO and 0.363 M in NaClO...
A buffer solution is made that is 0.363 M in HClO and 0.363 M in NaClO . (1) If Ka for HClO is 3.50×10-8 , what is the pH of the buffer solution?   (2) Write the net ionic equation for the reaction that occurs when 0.082 mol HCl is added to 1.00 L of the buffer solution. Use H3O+ instead of H+ . A buffer solution is made that is 0.388 M in HCN and 0.388 M in NaCN. (1)...
A 100. mL buffer solution is 0.300 M in HAc and 0.150 M in NaAc. Calculate...
A 100. mL buffer solution is 0.300 M in HAc and 0.150 M in NaAc. Calculate the pH of the solution after the addition of 35.0 mL of 0.20 M HCl. The Ka for HAc is 1.8 × 10-5.
A 200.0 mL buffer solution is 0.360 M NH3 and 0.250 M NH4Br. What mass of...
A 200.0 mL buffer solution is 0.360 M NH3 and 0.250 M NH4Br. What mass of HCl does this buffer neutralize before pH falls below 8.80?
A 25.00 mL sample of 0.300 M HClO(aq), hypochlorous acid, is titrated with 30.00 mL of...
A 25.00 mL sample of 0.300 M HClO(aq), hypochlorous acid, is titrated with 30.00 mL of 0.250 M LiOH. For hypochlorous acid, Ka = 2.910-8 a. b. c. d. e. f. g. Label each as a strong or weak acid; strong or weak base; acidic, basic or neutral salt: LiOH ________________ HClO _________________ LiClO ________________ Write the net ionic neutralization reaction for this titration mixture. Calculate the initial moles of HClO and LiOH and set up a change table for...
4. (35 pts) A solution is made my mixing 200.0 mL of 0.150 M KOH with...
4. (35 pts) A solution is made my mixing 200.0 mL of 0.150 M KOH with 100.00 mL of 0.15 M Fe(NO3)3. Calculate the molar solubility of Fe(OH)3(s). Ksp = 2 × 10 ̶ 39
Just answers. A. A buffer solution that is 0.431 M in HClO and 0.431 M in...
Just answers. A. A buffer solution that is 0.431 M in HClO and 0.431 M in NaClO has a pH of 7.46. (1) The addition of 0.01 mol of H3O+ to 1.0 L of this buffer would cause the pH to _________(increase slightly, increase by 2 units,decrease slightly,decrease by 2 units,not change.) (2) The capacity of this buffer for added OH- could be increased by the addition of 0.147 mol  _________(of the weak acid,of the salt.) B. How many grams of...
A 10.0 mL solution of 0.300 M NH3 is titrated with a 0.100 M HCl solution....
A 10.0 mL solution of 0.300 M NH3 is titrated with a 0.100 M HCl solution. Calculate the pH after the addition of 20.0 mL of the HCl solution. (potentially useful info: Ka of NH4+ = 5.6 x 10−10)
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT