Q1 Need help doing this worksheet and please showcalculationsTrial ITrial 21. Mass of flask (g)78.6397Y.8422. Mass of flask + vinegar (g)81.90678.1203. Mass of vinegar (e)B. Analysis of Vinegar Sample1. Buret reading of NaOH, initial (ml.)1.005.002. Burct reading of NaOH. final (ml.)19.3123,673. Volume of NaOH used (nl.4. Molar concentration of NaOH (mol/.)0.14365. Moles of NuOH added (nol)6. Moles of CHCOOH in vinegar (amoly7. Mass of CH,COOH in vinegar ()16 MHRNS OFCTCOON IN Vinegar g)8. Percent by nass of CH,COOH in vinegar (4)9. Average percent by mass of CH,COOHin vinegar ()16. Standand deviation11.% RSD

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Chemistry

Need help doing this worksheet and please show calculations Trial I Trial 2 1. Mass of flask (g) 78.(39 74.842

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

Need help doing this worksheet and please show
calculations
Trial I
Trial 2
1. Mass of flask (g)
78.639
7Y.842
2. Mass of flask + vinegar (g)
81.906
78.120
3. Mass of vinegar (e)
B. Analysis of Vinegar Sample
1. Buret reading of NaOH, initial (ml.)
1.00
5.00
2. Burct reading of NaOH. final (ml.)
19.31
23,67
3. Volume of NaOH used (nl.
4. Molar concentration of NaOH (mol/.)
0.1436
5. Moles of NuOH added (nol)
6. Moles of CHCOOH in vinegar (amoly
7. Mass of CH,COOH in vinegar ()
16 MHRNS OFCTCOON IN Vinegar g)
8. Percent by nass of CH,COOH in vinegar (4)
9. Average percent by mass of CH,COOH
in vinegar ()
16. Standand deviation
11.% RSD

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