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i tried starting it off but i think im failing so far 2) What is the pH of a solution that is added 100 ml of 0.05 M...
20. If 10 mL of 0.05 M NaOH is added to a 20 mL solution of...
20. If 10 mL of 0.05 M NaOH is added to a 20 mL solution of 0.1 M NaNO2 and 0.1 M HNO2, what will be the pH of the resultant solution? Assume that volumes are additive. Ka for HNO2 = 7.1x10-4. 21. At 25°C, 50.0 mL of 0.50 M NaOH(aq) is added to a 250 mL aqueous solution containing 0.30 M NH3 and 0.36 M NH4Cl. What is the pH of the solution after the addition of the base?...
What is the pH change when 19.5 mL of 0.108 M NaOH Is added to 71.0...
What is the pH change when 19.5 mL of 0.108 M NaOH Is added to 71.0 mL of a buffer solution consisting of 0.127 M NH3 and 0.161 M NH4? ( for ammonium ion is 5.6*10^-10.) pH change =
1. 100 ml of 0.05 M H2S + 50ml of 0.1 M NaOH 2. 200 ml...
1. 100 ml of 0.05 M H2S + 50ml of 0.1 M NaOH 2. 200 ml of 0.1 M Na2CO3 + 100 ml of 0,365% HCl 3. 50ml of 0.1M Na3PO4 + 100ml of 0.05 M H2SO4 4. 80 ml of 0.01M HNO2 + 20ml of 0.05 M HNO3 5. 20 ml of 0.05 M H2C2O4 + 200 ml of 0.01 M KOH 6. 100 ml of 0.05 M H2S + 100 ml of 0.1 M NaOH 7. 50 ml...
5. Exactly 100 mL of 0.15 M nitrous acid (HNO2) are titrated with a 0.15 M NaOH solution. Calculate the pH for [10 pts] the point at which 100 mL of the base has been added. 5. Exactly 100 mL...
5. Exactly 100 mL of 0.15 M nitrous acid (HNO2) are titrated with a 0.15 M NaOH solution. Calculate the pH for [10 pts] the point at which 100 mL of the base has been added.
5. Exactly 100 mL of 0.15 M nitrous acid (HNO2) are titrated with a 0.15 M NaOH solution. Calculate the pH for [10 pts] the point at which 100 mL of the base has been added.
If 100. mL of 0.040 M NaOH solution is added to 100. mL of solution which...
If 100. mL of 0.040 M NaOH solution is added to 100. mL of solution which is 0.10 M in and 0.10 M in, what be will the pH of the new solution? a. 5.00 b. 4.74 c. 4.81 d. 4.89 e. 5.11 What concentration of Al^3+ must be added to a solution of pH = 4.80 in order to initiate precipitation of Al(OH)_3 at 25 degree C? K_ for Al(OH)_3 = 1.9 times 10^- a. 5.3 times 10^-7 M...
Calculate the pH of the resulting solution if 30.0 mL of 0.300 M HCl(aq) is added...
Calculate the pH of the resulting solution if 30.0 mL of 0.300 M HCl(aq) is added to (a) 40.0 mL of 0.300 M NaOH(aq). Number pH= 12.63 (b) 20.0 mL of 0.400 M NaOH(aq). Number pH = Tools x 102
What mass of KF must be added to 200 mL of 0.15 M HF to obtain a buffer with pH = 3.00? Xg Enter a number. a)What is th...
What mass of KF must be added to 200 mL of 0.15 M HF to obtain a buffer with pH = 3.00? Xg Enter a number. a)What is the pH of a buffer made by mixing 75 mL of 0.1 M hydrocyanic acid (HCN) with 100 mL of 0.1 M NaCN at 25 °C? 9.43 b) What is the new pH if 2 mL of 1.0 M NaOH is added to the solution in part a? X How many grams...
How many mL of 3 M NaOH solution should be added to 100 mL of 0.200...
How many mL of 3 M NaOH solution should be added to 100 mL of 0.200 M acetic acid to make acetate buffer, pH 5.00
One liter of an aqueous solution contains 0.10 M aspartate at pH=pI and 0.05 M NaOH is subsequently added. What is the pH after adding NaOH?
One liter of an aqueous solution contains 0.10 M aspartate at pH=pI and 0.05 M NaOH is subsequently added. What is the pH after adding NaOH?
a.)100 mL of 1.00 M HCl solution is titrated with 1.00 M NaOH solution. You added...
a.)100 mL of 1.00 M HCl solution is titrated with 1.00 M NaOH solution. You added the following quantities of 1.00 M NaOH to the reaction flask. Classify the following conditions based on whether they are before the equivalence point, at the equivalence point, or after the equivalence point/endpoint. 1.) 150 mL of 1 M NaOH 2.) 200 mL of 1 M NaOH 3.) 50 mL of 1 M NaOH 4.) 100 mL of 1 M NaOH 5.) 5.00 mL...
20. If 10 mL of 0.05 M NaOH is added to a 20 mL solution of 0.1 M NaNO2 and 0.1 M HNO2, what will be the pH of the resultant solution? Assume that volumes are additive. Ka for HNO2 = 7.1x10-4. 21. At 25°C, 50.0 mL of 0.50 M NaOH(aq) is added to a 250 mL aqueous solution containing 0.30 M NH3 and 0.36 M NH4Cl. What is the pH of the solution after the addition of the base?...
5. Exactly 100 mL of 0.15 M nitrous acid (HNO2) are titrated with a 0.15 M NaOH solution. Calculate the pH for [10 pts] the point at which 100 mL of the base has been added.
5. Exactly 100 mL of 0.15 M nitrous acid (HNO2) are titrated with a 0.15 M NaOH solution. Calculate the pH for [10 pts] the point at which 100 mL of the base has been added.
If 100. mL of 0.040 M NaOH solution is added to 100. mL of solution which is 0.10 M in and 0.10 M in, what be will the pH of the new solution? a. 5.00 b. 4.74 c. 4.81 d. 4.89 e. 5.11 What concentration of Al^3+ must be added to a solution of pH = 4.80 in order to initiate precipitation of Al(OH)_3 at 25 degree C? K_ for Al(OH)_3 = 1.9 times 10^- a. 5.3 times 10^-7 M...
Calculate the pH of the resulting solution if 30.0 mL of 0.300 M HCl(aq) is added to (a) 40.0 mL of 0.300 M NaOH(aq). Number pH= 12.63 (b) 20.0 mL of 0.400 M NaOH(aq). Number pH = Tools x 102
What mass of KF must be added to 200 mL of 0.15 M HF to obtain a buffer with pH = 3.00? Xg Enter a number. a)What is the pH of a buffer made by mixing 75 mL of 0.1 M hydrocyanic acid (HCN) with 100 mL of 0.1 M NaCN at 25 °C? 9.43 b) What is the new pH if 2 mL of 1.0 M NaOH is added to the solution in part a? X How many grams...
How many mL of 3 M NaOH solution should be added to 100 mL of 0.200 M acetic acid to make acetate buffer, pH 5.00
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