Great Deal! Get Instant $10 FREE in Account on First Order + 10% Cashback on Every Order Order Now

lab report form is in the pdf attached. the lab itself is all done. no plagiarism and no uploading the work online.

1 answer below »
1. Standardization of Sodium Hydroxide Solution.
Trial - 1 "2 (if necessary) 3
Mass of KHP (8) 0-4013g XXXXXXXXXXMass — 0dotq
Initial Volumen (mL) 9.80 mL | OoomL Quel — 004ml
Final Volumen (mL XXXXXXXXXXmi] 2905 mL | Bad — 3Ha0al
Approximate Volume atep (nL) | 16 So ml | |7.€06 mi | Sanity Checkonly \,.LomL
Time (total) (5) Yo 5 120s | Ttme — 40.05
Time at equivalence point (5) Hs ) 5 RBS From thegraph — U4%F 5
Trial OK NQ LR 0 Yes
2. Determination of the Molar Mass of an Unknown Acid. (Record your unknown number.)
Unkaown# __L (10 Points)
Trial XXXXXXXXXXif necessary)
Mass of Acid (g) oly 5 0-18 ¢
Initial Volumen (mL) 3.0m S-som
Final Volumen (mL) 38 10m] 3Y-boml
Approximate Vohmeatep (ml) | 93 Qo | 2X00 mL
Total Time XXXXXXXXXX ¢
Time at equivalence point (s) 5b gs bo s
Trial OK


·    Name                                
Group             
·    Results
1.    Standardization of Sodium Hydroxide Solution.
Note: KHP (potassium hydrogen phthalate, HKC8H4O4) has a MW of 204.2 g/mole and only one acidic proton. Use only the good trial if you performed more than one.
MassKHP
MolesKHP (computed)
Computed
Initial VolumeNaoH
Final VolumeNaoH
VolumeNaoH added
Computed
Total Time
Average rate
Computed (Show your calculations below.)
Time at equivalence point
From the graph
Volume NaoH
Computed (Show your calculations below.)
MolarityNaoH
Computed (Show your calculations below.)
Use the following value in part 2:
Class Average MolarityNaoH
0.1265M
Calculations: You may explain each step or include a scan (clearly labeled) in your pdf.
1.    Determination of the Molar Mass of an Unknown Acid.
    
Unknown #
Note:    Use the best two trials if you performed more.
Trial
1
2
MassUnknown Acid
Initial VolumeNaoH
Final VolumeNaoH
VolumeNaoH added
Computed
Total Time
Average rate
Computed (Show your calculations below.)
Time at equivalence point
From the graph
Volume NaoH
Computed (Show your calculations below.)
MolesUnknown Acid
Computed (Show your calculations below.)
Molar MassUnknown Acid
Computed (Show your calculations below.)
Average Molar Mass
Calculations: You may explain each step or include a scan (clearly labeled) in your pdf.
Answered 1 days After May 01, 2024

Solution

Baljit answered on May 02 2024
7 Votes
·    Name                                
Group             
·    Results
1.    Standardization of Sodium Hydroxide Solution.
Note: KHP (potassium hydrogen phthalate, HKC8H4O4) has a MW of 204.2 g/mole and only one acidic proton. Use only the good trial if you performed more than one.
MassKHP
0.4013g
0.4025g
0.4004g
MolesKHP (computed)
Computed
Initial VolumeNaoH
0.00ml
0.00ml
0.04ml
Final VolumeNaoH
22.20ml
29.05ml
34.90ml
VolumeNaoH added
=29.05-0.00
=29.05ml
=34.90-0.04
=34.86ml
Computed
Total Time
140sec
120sec
90sec
Average...
SOLUTION.PDF

Answer To This Question Is Available To Download

Related Questions & Answers

More Questions »

Submit New Assignment

Copy and Paste Your Assignment Here