Using the data, calculate the molarity of sodium hydroxide solution for each run. M#1M #2M #3M #4 14-8Experiment 14Name OlonseaAcid-Base TitrationsDrawer NumberDataPart I. Standardization of the Sodium Hydroxide SolutionMass of weighing bottle + sample12.5252gMass of weighing bottle - sample9432gMass of H2C20 2 H202.5320g250.00 mLVolume of H2C204 solution2341Run Number25.00 mL25.00 mL25.00 mL25.00 mLVolume of oxalic acid used42.20mL212-25mL 42-50m2NaOH buret: final reading212.10mL0.20mLD.15ML0.40mL0.55MLNaOH buret: initial reading211.90L242.05wL41.85mLVolume of NaOH usedUnknown #n=Part II. Determination of the Molar Mass of an Acid234Eun Number1Mass of test1.417578tube + sampleMass of testtube - sample1,5160g1.S13ogMass of sample0,0998g0.099390.1003g0.1001gNaOH buret:20.10ML20.50ML20.20mL20.26MLFinal readingNaOH buret:Initial reading0.10mLO. 60ml-0.10ML0.25mhVolume of20.00mL19.90ML20.10mL20.00mLNaOH vsed

Answered: Data Drawer Number Part I.…

Chemistry

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ISBN:9781305957404

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

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

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Using the data, calculate the molarity of sodium hydroxide solution for each run.

14-8
Experiment 14
Name Olonsea
Acid-Base Titrations
Drawer Number
Data
Part I. Standardization of the Sodium Hydroxide Solution
Mass of weighing bottle + sample
12.5252g
Mass of weighing bottle - sample
9432g
Mass of H2C20 2 H20
2.5320g
250.00 mL
Volume of H2C204 solution
2
3
4
1
Run Number
25.00 mL
25.00 mL
25.00 mL
25.00 mL
Volume of oxalic acid used
42.20mL
212-25mL 42-50m2
NaOH buret: final reading
212.10mL
0.20mL
D.15ML
0.40mL
0.55ML
NaOH buret: initial reading
211.90L
242.05wL
41.85mL
Volume of NaOH used
Unknown #
n=
Part II. Determination of the Molar Mass of an Acid
2
3
4
Eun Number
1
Mass of test
1.417578
tube + sample
Mass of test
tube - sample
1,5160g
1.S13og
Mass of sample
0,0998g
0.09939
0.1003g
0.1001g
NaOH buret:
20.10ML
20.50ML
20.20mL
20.26ML
Final reading
NaOH buret:
Initial reading
0.10mL
O. 60ml-
0.10ML
0.25mh
Volume of
20.00mL
19.90ML
20.10mL
20.00mL
NaOH vsed

Expert Solution

Step 1

Mass of oxalic acid sample is calculated as the difference in the weight between mass of weighing bottle+sample and the mass of empty weighing bottle. It is calculated as 2.5320 g. Molar mass of oxalic acid ( $H_{2} C_{2} O_{4} \cdot 2 H_{2} O$ ) is 126 g/mol. Volume of oxalic acid solution prepared is 0.250 mL.

Now, for all the trials, different volumes of oxalic acid solution and NaOH are used and molarity of NaOH for each run has to be calculated.

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