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how many mL’s of 0.30M sodium hydroxide must be added to 50.0 mL of 0.500M acetic...
What mass of sodium hydroxide must be added to 75.0 mL of 0.205 M acetic acid in order to create a buffer with a pH of 4.74? acetic acid Ka=1.8x10^-5 (Answer is 0.31g how do we arrive there?)
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 sodium acetate must be added to 100 ml of a 0.122 M solution of acetic acid so that the solution will be buffered at pH= 5.40?
Determine how many mL of solution A(acetic acid-indicator solution) must be added to solution B (sodium acetate indicator solution) to obtain a buffer solution that is equimolar in acetate and acetic acid. You will need to refer to the Experimental Procedure, partcularly the section on calculations, to answer this question. Show all calculations. of an indicator 2. Determine how many ml of solution A (acetic acid-indicator solution) must be added to solution B sodium acetate-indicator solution) to obtain a buffer...
How many moles of sodium hydroxide would have to be added to 150 mL of a 0.374 M hydrocyanic acid solution, in order to prepare a buffer with a pH of 9.220?
A vinegar sample contained 4.60% acetic acid . How many mL of 0.450N sodium hydroxide would be required to titrate 25.00 mL of hte vinegar sample? Assume the density of the sample to be 1.00 g /mL^-1
How many moles of sodium hydroxide would have to be added to 125 mL of a 0.402 M hydrocyanic acid solution, in order to prepare a buffer with a pH of 9.500? moles
How many moles of sodium hydroxide would have to be added to 250 mL of a 0.422 M hypochlorous acid solution, in order to prepare a buffer with a pH of 7.360? moles
How many moles of sodium hydroxide would have to be added to 125 mL of a 0.420 M hypochlorous acid solution, in order to prepare a buffer with a pH of 7.590? moles
How many moles of sodium hydroxide would have to be added to 225 mL of a 0.482 M nitrous acid solution, in order to prepare a buffer with a pH of 3.000? moles Submit Answer How many moles of sodium hydroxide would have to be added to 225 mL of a 0.482 M nitrous acid solution, in order to prepare a buffer with a pH of 3.000? moles Submit Answer