Titration of Acids and Bases Mate of a Volatile Part B. Determination of the molar concentration of an unknown acid. Volume of unknown acid used (mL) the Final buret reading (mL NaOH) Initial buret reading (mL NaOH) Volume of NaOH used (mL) Molarity of unknown acid Trial 1 10mL on 9.6 mL 0.5ml 9.1mL Trial 2 Sample calculations for molarity of unknown acid solution: 10ml Average molarity of unknown acid solution: Trial 3 10mL 28.3mL 18.9 9.6 ml 18,9ml 9,3mL 9.4mL mol NaOH used? M NaOH = Macid= .1 Guil To multiple decimals

1 Normal 1 Nó Spa... Heading 1 Heading 2 Paragraph Styles 1. What is an equivalence point? a) enough base has been added to neutralize all the acid in the sample b) enough acid has been added to neutralize all the base in the sample c) pH = pKa d) a) or b) 2. If the pH of the equivalence point is 7, acid titrated with a strong base is a a) strong acid b) water c) weak acid d) none of these 3. If the pH of the equivalence point is above 7, acid titrated with a strong base is a a) strong acid b) water c) weak acid d) none of these * Accessibility: Good to go DiFo Text Predictions: On re to search 99+ IA ASUS ZenBook F3 F4 F5 F6 F7 24 & 4. 5. R U. SD G H. lili

What is the best sequence of steps for filling the burette with NaOH for a titration? Lower the burette to eye' level, insert the funnel in the top of the burette, slowly add the NaOH through the funnel, check the burette stopcock is closed O Check the burette stopcock is closed, lower the burette to eye level, insert a funnel in the top of the burette, slowly add the NaOH through the funnel Check the burette stopcock is closed, insert the funnel in the top of the burette, slowly add the NaOH through the funnel, lower the burette to eye level

The graph below represents the titration curve of a      A. 1 M strong acid with 1 M strong base     B. 1 M weak base with 1 M strong acid   C. 1 M strong base with 1 M strong acid   D. 1 M weak base with 1 M weak acid   E. 1 M weak acid with 1 M strong base

ou let your partner do a trial since you're nice. He/she adds a few mL of NaOH, but you realize that nobody recorded the initial buret level! RATS! What do you do?      a) Just get light pink since that's the point of titrations anyways.     b) Finish the titration and record the final buret reading. Ask your instructor what the initial buret reading was since he knows all of them by heart...right?   c) Just record the current level as the "initial" reading. Precision isn't THAT important.   d) Restart the trial since you have no idea how much NaOH was added so far.

Fill in the blanks by writing the name of the definition: __________ is a substance which is added to the reaction mixture and changes color at the equivalance point.     a. titrant b. Primary standard c.  İndicator d. analyte

Which one of the following is NOT a source of error during a titration? Group of answer choices   Adding too much sodium hydroxide solution to the analyte Refilling the buret during a titration trial Rinsing the buret with the analyte Adding indicator to the analyte

A different titration experiment using a 0.122M standardized NaOH solution to titrate a 26.48 mL solution with an unknown Molarity concentration (M) of sulfuric acid (H2SO4) gave the following molarities for 3 trials.    Initial Burette Reading (mL) Final Burette Reading (mL) Delivered vol (mL) Acid Concentration (M) Trial 1       0.0345 Trial 2       0.0334 Trial 3       0.0381 From the 3 trials, determine the average Molarity concentration of the H2SO4 to 3 significant digits. Don't include a unit.

True/False Indicate whether the statement is true or false. Write T if the statement is true while F if statement is false on the before each number 13. In sampling, a producer's risk (type 1 error) is usually occur when a bad batch was accepted 14.A blank titration is a titration conducted without the use of indicator 15.In double indicator titration, If the volume of the standard acid consumed in phenolphthalein end point is more than in methyl orange end point, the sample is a mixture of Na₂CO2 & NaHCO3 E

Incorrect Your answer is incorrect. • KC: Your answer is incorrect. • Cacl, Vour answer is incorrect. For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with pH. If the solubility does change, pick the pH at which you'd expect the highest solubility. You'll ind K, data in the ALEKS Data tab. Does enlubility change with pH? hiyhest solubility compound pll 5 pll 6 pll 8 yes O no yes Ba(OH), O no O yes Caci, e no