Verify your calculation Did you report your data to the correct number of significant figures? Initial volume of buret (mL) 1.90 Mass of KHP (g) 2.000 Observations Final volume of buret (mL) 34.15 Volume of NaOH (mL) 32.25 Concentration of NaOH (M) How to calculate sodium hydroxide concentration

Appl Of Ms Excel In Analytical Chemistry
2nd Edition
ISBN:9781285686691
Author:Crouch
Publisher:Crouch
Chapter3: Statistical Tests With Excel
Section: Chapter Questions
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What is the concentration of NaOH(M)? Thank you!
CHEMISTRY STANDARDIZATION OF SODIUM HYDROXIDE
INTRODUCTION
LABORATORY SIMULATION
A Lab Data
Verify your calculation
Did you report your data to the correct number of
significant figures?
Initial volume of buret (mL)
1.90
Mass of KHP (g)
2.000
Observations
HF
Final volume of buret (mL)
34.15
Volume of Na0H (mL)
32.25
Concentration of NaOH (M)
How to calculate sodium hydroxide concentration
METHODS
O RESET
Transcribed Image Text:CHEMISTRY STANDARDIZATION OF SODIUM HYDROXIDE INTRODUCTION LABORATORY SIMULATION A Lab Data Verify your calculation Did you report your data to the correct number of significant figures? Initial volume of buret (mL) 1.90 Mass of KHP (g) 2.000 Observations HF Final volume of buret (mL) 34.15 Volume of Na0H (mL) 32.25 Concentration of NaOH (M) How to calculate sodium hydroxide concentration METHODS O RESET
How to calculate sodium hydroxide concentration
Data
Initial buret volume (mL)
0.50
the correc
Mass of KHP (g)
1.008
Final buret volume (mL)
41.88
Volume of NaOH used (mL)
41.38
1. Write the balanced chemical equation
NaOH(ag) + KHC;H,O4(aq) → NaKC;H,O4(aq) + H,0(1)
2. Calculate moles of KHP
1 mol KHP
mol KHP =
1.008 g KHP x
= 4.936 x 10
mol KHP
T
204.22 g KHP
6
Se
3. Calculate moles of NaOH
um hydroxid
L
1 mol NaOH
mol NaOH = 4.936 x 103 mol KHP ×
4.936 x 10 -3 mol NaOH
1 mol KHP
4. Concentration of NaOH
4.936 x 10 mol NaOH
1000 mL
0.1193 M
41.38 mL NaOH
1 L
Transcribed Image Text:How to calculate sodium hydroxide concentration Data Initial buret volume (mL) 0.50 the correc Mass of KHP (g) 1.008 Final buret volume (mL) 41.88 Volume of NaOH used (mL) 41.38 1. Write the balanced chemical equation NaOH(ag) + KHC;H,O4(aq) → NaKC;H,O4(aq) + H,0(1) 2. Calculate moles of KHP 1 mol KHP mol KHP = 1.008 g KHP x = 4.936 x 10 mol KHP T 204.22 g KHP 6 Se 3. Calculate moles of NaOH um hydroxid L 1 mol NaOH mol NaOH = 4.936 x 103 mol KHP × 4.936 x 10 -3 mol NaOH 1 mol KHP 4. Concentration of NaOH 4.936 x 10 mol NaOH 1000 mL 0.1193 M 41.38 mL NaOH 1 L
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