For each of the following circumstances, indicate whether the calculated molarit

Q: For each of the following circumstances, indicate whether the calculated molarit

NaOH = mol of NAOH/Volume a) If it was wet, then it will be less concentratino of HCl, therefore, NaOh will be higher than it actually is b) if we added more water than required, then this will be much more dilute c) buret wet with water will have LESS HCl, therefore, smaller amount of HCl will be used, but acounted incorrectly, so NaOH will be higher than it is in reallity d) No problem, it will still change color when pH changes

ID: 537722 • Letter: F

Question

For each of the following circumstances, indicate whether the calculated molarity of NaOH would be lower, higher or unaffected. Explain your answer in each case. a. The inside of the pipet used to transfer the standard HCI solution was wet with water. b. you added 40 mL of water to the titration flask rather than 25ml. c. The buret, wet with water, was not rinsed with NaOH solution before filling the buret with NaOH solution. d. Five (5) drops of phenolphthalein were added to the solution to be titrated rather than three (3) drops.

Explanation / Answer

NaOH = mol of NAOH/Volume

If it was wet, then it will be less concentratino of HCl,

therefore, NaOh will be higher than it actually is

if we added more water than required, then this will be much more dilute

buret wet with water will have LESS HCl, therefore, smaller amount of HCl will be used, but acounted incorrectly, so NaOH will be higher than it is in reallity

No problem, it will still change color when pH changes

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For each of the following circumstances, indicate whether the calculated molarit

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