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Can any one walk me through how to complete this lab report. Please it's urgent.

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B. Molecular mass of an unknown acid.
1 .
Unknown number
CHEM 10 3B
2. Molarity of sodium hydroxide solution
Titrations
flask 1
flask 2
flask 3
3. Mass of flask + unk.
131. 76
131. 51
127. 77
4. Mass of flask
131. 05
131.02
126.15
5. Mass of unknown
0 . 49
0 .48
6. Final buret reading
63. me
17. 2
8. Initial buret reading
OML
9. Volume of NaOH soln.
10. Moles of unknown acid
21.18
(assume monoprotic)
11. Molecular mass of acid
12. Average molecular mass
of acid
13. Deviation of each
mol. mass from average
14. Average deviation of molecular mass
15. Suggest experimental modifications you could make if the acid to be titrated has low
solubility in water.
HA we could Add more
phenolphathalon to increase the
acid base.
16. Some of the Learning Objectives of this experiment are listed on the first page of this
experiment. Did you achieve the Learning Objectives? Explain your answer.
The learning objective was achieved. The fitrah
of Ulnegar and acetic acid with 3 drops of Pher
halon caused a color change when water In
2015 Cengage Learning. All Rights Reserved May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
10ml

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