Calculate the volume of 0.5M solution of NaOH that need to be added to 100 mL...

Calculate the volume of 0.5M solution of NaOH that need to be added to 100 mL of 0.2M solution of H3PO4 to get pH = 3. Calculate the ionic strength of resulting solution?

Expert Solution

queen_honey_blossom answered 2 years ago

calculate the ph of a solution when 15ml of 0.5M naoh is added to 30ml of...

calculate the ph of a solution when 15ml of 0.5M naoh is added to 30ml of a 0.8 M benzoic acid (Benzoic acid is a monoprotic acid and has a ka of 6.5 x 10^-5

Calculate the volume (in mL) of 0.170 M NaOH that must be added to 259 mL...

Calculate the volume (in mL) of 0.170 M NaOH that must be added to 259 mL of 0.0419 M 3-(N-Morpholino)propanesulfonic acid (MOPS) to give the solution a pH of 7.55. The pKa of MOPS = 7.18.

a) Calculate the volume (in ML) of 0.170 M NaOH that must be added to 365...

a) Calculate the volume (in ML) of 0.170 M NaOH that must be added to 365 mL of 0.0515 M 3-(N-Morpholino) propanesulfonic acid (MOPS) to give the solution a pH of 7.55. The pKa of MOPS =7.18. b) A buffer with a pH of 4.24 contains 0.11 M of sodium benzoate and 0.10 M of benzoic acid. What is the concentration of [H+] in the solution after the addition of 0.056 mol of HCl to a final volume of 1.6...

a) Calculate the volume of 0.5M NaOH that will be required to titrate a 0.15g sample...

a) Calculate the volume of 0.5M NaOH that will be required to titrate a 0.15g sample of aspirin. b) If the student reached the end point of the titration 0.76 mL prior to the calculated value in (part a). What was the purity of the sample? The student required 0.40mL more NaOH than she calculated she would need in (part a). Explain how this might happen.

Calculate the volume (in mL of a 0.790 M KOH solution that should be added to...

Calculate the volume (in mL of a 0.790 M KOH solution that should be added to 5.500 g of HEPES (MW = 238.306 g/mol, pKa = 7.56) to give a pH of 7.72. KOH volume = ______ mL

Calculate the volume (in mL) of a 0.630 M KOH solution that should be added to...

Calculate the volume (in mL) of a 0.630 M KOH solution that should be added to 5.750 g of HEPES (MW=238.306 g/mol, pKa = 7.56) to give a pH of 7.96.

a.) If 5 ml of 0.1 NaOH (a strong base) is added to 100 ml of...

a.) If 5 ml of 0.1 NaOH (a strong base) is added to 100 ml of 0.05 phosphate buffer (phosphoric acid- H3PO4), pH 7.1, what is the resulting pH? (Ignore the volume change). Clearly identify the appropriate acid and conjugate base and determine their concentration in the final solution. b.) What would the resulting pH be if instead you added 5 ml of 0.25 M HCl? (Ignore the volume change) *Please show your work and steps to understand*

1. Calculate the volume in milliliters (mL) of a 6.00 M NaOH solution needed to make...

1. Calculate the volume in milliliters (mL) of a 6.00 M NaOH solution needed to make 5.00 x 102 mL of a 0.100 M NaOH solution. (Recall that M = molar = mol/L, and show all your work). 2. An approximately 0.1 M NaOH solution was standardized with KHP by titration to a phenolphthalein endpoint. From the following data, calculate the average molarity of the NaOH. The molar mass of KHP is 204.22 g/mol. Trial 1 Trial 2 Mass of...

If 250 ml of a .1M NaOH solution is added to 500 ml of a .2M...

If 250 ml of a .1M NaOH solution is added to 500 ml of a .2M HCL solution. What is the pH of the resulting solution?

2.0 mL of 0.5M HCl was added to 50 mL of 0.5M Formate-formic acid buffer at...

2.0 mL of 0.5M HCl was added to 50 mL of 0.5M Formate-formic acid buffer at pH 3.6. (pKa= 3.75) What is the resulting pH after the addition of HCl? 2.0 mL of 0.5M HCl was added to 50 mL of 0.0625M Formate-formic acid buffer at pH 3.6. (pKa= 3.75) What is the resulting pH after the addition of HCl? 1.0 mL of 0.6M NaOH was added to 10 mL of 0.5M Acetate-acetic acid buffer at pH 4.2. What is...

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