
please answer the question on the bottom. Pwerage Trial 0.4436 16.00 Trial 2 mass KHP (9) Trial 3 0.4445 0.4457 volu...
1. Volume of Vinegar used in each trial = 5.00 mL 2. Molarity of NaOH used in each trial = 0.20M 3. Volume of NaOH used in trail#1 (Final – Initial buret reading) = __17.80______ mL 4. Volume of NaOH used in trail#2 (Final – Initial buret reading) = ___18.20_____ mL 5. Average Volume of NaOH used = (#3 + #4) / 2 = ___18______ mL 6. Calculate Molarity of Acetic acid in vinegar = _________ M ?????? (molarity of...
Objective 1: Standardization with KHP Trial 1 Mass of KHP Trial 2 Trial 3 ,5825 9 53539 1.53169 *Moles of KHP: Initial buret reading: 0.00 mL 10.00 Final buret reading: 0.00ML 8 mb 16.5 mL I 10.9 mL *Volume of NaOH solution used: 16.5 mL 8 mL 10.9mL *Molarity of NaOH solution: Show your calculations here: *Average Molarity of NaOH: Percent Range:
Standardization Data Trial 1 Trial 2 Trial 3 Volume of 0.500 M KHP 5.00 ml 5.00 ml 5.00 ml Initial burette reading 0.00 ml 13.10 ml 26.60 ml 26.60 ml 13.20 ml Final burette reading 13.10 ml 13.10 ml Volume of base used (final-initial readings) Data Analysis: (work alone on calculations) 39.60 ml 13.00 ml 3. Calculate the molarity of base for each trial. Use dimensional analysis - show all unit conversions (hint: start with mL of KHP solution used)....
..ll GoSmart 9:18 PM 7 73% Х CHM 103 Lab 3 Acid Base... + U Experiment 3 ACIDS AND BASES: ANALYSIS Learning Objectives Upon completion of this experiment, Mudents will have experienced 1. The determination of the percent by mass of acetic acid in vinegar 2. The determination of the molecular mass of an unknown acid Text Toples Acids and buses, indicators, titrations Notes to Students and Instructor The solution of sodium hydroxide prepared last week will be used to...
I need help calculating the mass percent and with the post lab
question #2.
Part 1 Mass Initial | Final Vol Nall Moles concen. KPHCG (ML) I (m2) Used (m2) KHP (mol)/NaOH(M) 0.28470.00 13.60r 13.600 10.00- 0.1025 2 UZ + ZANT 13.600 24.45 1 10.85 0.001128 10.40 Aug NaOH Concentration (M):0.1032 Part2 Vinegar identification # 4 Vinegar sample date: (011/ Vol Vinegat Initial Final Yol NaOH Mol Acotic Mass Acctic Mass % Titr ULST I OML Used (ml) Acid (mol)...
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titrant solution is on the last page.
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the info needed is on the pages provided. paticularly on the last
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Table 1: Standardization Data Trial 3 Trial 1 Trial 2 O.47644 0.4701 25. mL ou779 12.7mL 25. mL 12.4 mL Mass of KHP Initial burette reading 2.7mL 37,Sm 2.4m Final burette reading 12.7mL Volume of base used Data Analysis: 1. Write a balanced molecular equation (with phases, of course) for the reaction between the KHP and the titrant...
B. Determination of the Molarity of Unknown Acid Trial 1 Trial 2 Trial 3 Mass of Erlenmeyer flask (g) 124 g Mass of Erlenmeyer flask+acid After adding 5 mL HCl solution (g) 135 g Mass of HCl solution (g) Mass of HCl solution (kg) -------- ------ -- Volume (acid), mL ----5mL------- -----5 mL--- ------5mL---- NaOH Initial Volume (Vi) 0.00 mL ------------mL -------------mL NaOH final Volume (VA) 16.5 mL ----------- -------------m L ml ---------mL NaOH Volume Used Vi-Vi --------mL L
I need to answer 1 , 2 molarity with steps and answer 3 ,
4.
Name: CHE 121 Lab: Titration Purpose: To determine the M of an unknown NaOH solution and then to determine the M of vinegar. Reaction 1: HCI + NaOH → NaCl + H2O Procedures 1 Rinse all burets and flasks with distilled water. Discard wash in sink 2 Rinse buret with 5 ml of Base Discard in waste container Fil buret with Base. Record starting volume....
Please answer all with the given data. Thank you
Date Instructor Fill in the table below. Record your data with the correct number of significant digits. Volume of vinegar (before Trial1 Trial 2 you dilute) USAQ, 5.4 Mass of vinegar (before you 52 dilute) $100 5.20 4.91 Density of vinegar 0.96 0.94 Initial buret level 49.9 MD.IO 0.30 Final buret level 47.90 46.30 Volume of NaOH required for neutralization 47.80 46.00 Final solution color Hot / bright pink Hot /...
Unknown acid 2 6. Complete the following table. Trial 1 Trial 2 Trial 3 Mass of unknown (8) 0.175 0.120 0.122 Initial buret reading (mL) 0.00 22.37 0.00 Final buret reading (mL) 22.37 44.85 22.83 Volume of NaOH added (mL) 22.37 22.48 22.83 We will assume that the data collected for the first trial is not accurate. 7. What is the average mass of unknown acid for Trials 2 and 3? (Must show calculations) 8. What is the average volume...