How many moles of NaOH would you need to add to 800 ml of a 0.4...
How many moles of NaOH would you need to add to 800 ml of a 0.4 M H2CO3 solution in order to bring the pH of the solution to 10.5? (pKa of HCO3- = 10.2)
Homework Answers
How many mL of 1M NaOH do you need to add to 300 mL of 1...
How many mL of 1M NaOH do you need to add to 300 mL of 1 M acetic acid to make a buffer with a pH of 5.46? Water will be added to bring the total volume of the buffer to 1 L. The pKa of acetic acid is 4.76.
4. The unknown x is in units of Molar. Given the volume from the beginning, how many moles of NaOH would this be? 5...
4. The unknown x is in units of Molar. Given the volume from the beginning, how many moles of NaOH would this be? 5. Calculate how many mL of a 1 M NaOH solution you would need for the number of moles calculated in the previous question. When making a buffer using two solutions conjugate base - the calculations are very similar. one of the conjugate acid, one of the You are to make 100.0 mL of a 0.50 M...
How many moles of NaOH need to be added to 200.0 mL of a 0.200 M...
How many moles of NaOH need to be added to 200.0 mL of a 0.200 M solution of HF to make a buffer with a pH of 3.50? (Ka for HF is 6.8 x 10-4)
Show all work 1. How many ml of a 0.2 M NaOH solution are required to...
Show all work 1. How many ml of a 0.2 M NaOH solution are required to bring the pH of 20 ml of a 0.4 M HCI solution to 7.0? How many ml of a 0.2 M NaOH solution are required to bring the pll of 20 ml of a 0.4 M H2SO4 solution to 7.0? 2. Answer the following questions: i) Draw a tripeptide having R groups consisting of methyl, hydroxyl, and phenol groups. ii) When a protein is...
How many moles of NaOH need to be added to 200.0 mL of a 0.200 M...
How many moles of NaOH need to be added to 200.0 mL of a 0.200 M solution of HF to make a buffer with a pH of 2.70? (ka for HF is 6.8 x 10-4) mol 1 | 2 | 3 7 8 9 +/- x 100 Tap here or pull up for additional resources
2. How many ml of 10.0M HCl do I need to add to 100ml of 1.00M...
2. How many ml of 10.0M HCl do I need to add to 100ml of 1.00M
NaOH to get a solution with pH = 7?
3. 75.0ml of 1.00M HCl is added to 100ml of 1.00M NaOH. what is
the pH of the resulting solution?
If I can get help with these two, I can do the others. Thank
you.
2. (1pt) How many ml of 10.0M HCl do I need to add to 100ml of 1.00M NaOH to get...
qestOn How many moles of potassium hydroxide would have to be added to 225 mL of...
qestOn How many moles of potassium hydroxide would have to be added to 225 mL of a 0.325 M hydrofluoric acid solution, in order to prepare a buffer with a pH of 3.060? moles An aqueous solution contains 0.428 M hypochlorous acid. How many mL of 0.292 M sodium hydroxide would have to be added to 150 mL of this solution in order to prepare a buffer witha pH of 7.140? mL
How many mL of 0.1 M NaOH would you have to add to 30 mL of...
How many mL of 0.1 M NaOH would you have to add to 30 mL of 0.35 M HCl to reach the equivalence point?
A) How many moles of sodium hydroxide would have to be added to 225 mL of...
A) How many moles of sodium hydroxide would have to be added to 225 mL of a 0.362 M hydrocyanic acid solution, in order to prepare a buffer with a pH of 9.580? B) An aqueous solution contains 0.383 M nitrous acid. How many mL of 0.287 M sodium hydroxide would have to be added to 250 mL of this solution in order to prepare a buffer with a pH of 3.600? C) An aqueous solution contains 0.313 M ethylamine...
How many grams of NaH2PO4 (MW = 119.9) and how many mL of 1M NaOH would...
How many grams of NaH2PO4 (MW = 119.9) and how many mL of 1M NaOH would be needed to make 500 mL of a 0.2 M phosphate buffer at pH 7.5? The pka of phosphate is 7.21.
4. The unknown x is in units of Molar. Given the volume from the beginning, how many moles of NaOH would this be? 5. Calculate how many mL of a 1 M NaOH solution you would need for the number of moles calculated in the previous question. When making a buffer using two solutions conjugate base - the calculations are very similar. one of the conjugate acid, one of the You are to make 100.0 mL of a 0.50 M...
How many moles of NaOH need to be added to 200.0 mL of a 0.200 M solution of HF to make a buffer with a pH of 3.50? (Ka for HF is 6.8 x 10-4)
Show all work 1. How many ml of a 0.2 M NaOH solution are required to bring the pH of 20 ml of a 0.4 M HCI solution to 7.0? How many ml of a 0.2 M NaOH solution are required to bring the pll of 20 ml of a 0.4 M H2SO4 solution to 7.0? 2. Answer the following questions: i) Draw a tripeptide having R groups consisting of methyl, hydroxyl, and phenol groups. ii) When a protein is...
How many moles of NaOH need to be added to 200.0 mL of a 0.200 M solution of HF to make a buffer with a pH of 2.70? (ka for HF is 6.8 x 10-4) mol 1 | 2 | 3 7 8 9 +/- x 100 Tap here or pull up for additional resources
2. How many ml of 10.0M HCl do I need to add to 100ml of 1.00M
NaOH to get a solution with pH = 7?
3. 75.0ml of 1.00M HCl is added to 100ml of 1.00M NaOH. what is
the pH of the resulting solution?
If I can get help with these two, I can do the others. Thank
you.
2. (1pt) How many ml of 10.0M HCl do I need to add to 100ml of 1.00M NaOH to get...
qestOn How many moles of potassium hydroxide would have to be added to 225 mL of a 0.325 M hydrofluoric acid solution, in order to prepare a buffer with a pH of 3.060? moles An aqueous solution contains 0.428 M hypochlorous acid. How many mL of 0.292 M sodium hydroxide would have to be added to 150 mL of this solution in order to prepare a buffer witha pH of 7.140? mL
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