hoda_corr2012

Dr. Hoda Abd El-Shafy Shilkamy

Lecturer - Lecturer of Physical Chemistry

Faculty of science

Address: Sohag University

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Analytical Chemistry

2023-04-10 22:50:49 |

Analytical Chemistry

Quantitive Analysis

A- Volumetric Analysis

1-Acid Base Titrations

2- Redox Titrations

3- Complexometric Titrations

4- Precipitation Titrations 

B-Gravimetric Analysis

1-Precipitation Method 

C- Instrumental Analysis

1-pH metric Titrations 

2- Conductometric Titrations


2023-04-17 16:29:30 | Analytical Chemistry
◌ِProblem 1
Q1: Two solutions of a substance (non-electrolyte) are mixed in the following manner. 480 mL of 1.5 M first solution + 520 mL of 1.2 M second solution. What is the molarity of the final mixture? a) 1.20 M b) 1.50 M c) 1.344 M d) 2.70 M... Read more

2023-04-17 16:30:25 | Analytical Chemistry
Problem 2
Q2 : With increase in temperature, which of these changes? a) molality b) fraction of solute present in water c) mole fraction d) weight fraction of solute... Read more

2023-04-17 16:31:25 | Analytical Chemistry
Question 1
Q1: What is the difference between Molarity and Molality?... Read more

2023-04-17 16:33:51 | Analytical Chemistry
Question 2
COMPARE BETWEEN IODIMETRIC AND IODOMETRIC ANALYSIS ? MENTION THE FACTORS AFFECTING ON EDTA TITRATIONS?... Read more

2023-05-06 14:45:50 | Analytical Chemistry
Revision
Q1: WHAT VOLUME OF 6M HCL AND 2M HCL SHOULD BE MIXED TO GET ONE LITRE OF 3M HCL? Q2: A STANDARD SOLUTION OF 0.25 M H2SO4 IS USED TO DETERMINE THE CONCENTRATION OF A 220 ML LIOH SOLUTION. THE ADDITION OF 143 ML OF H2SO4 RESULTED IN COMPLETE NEUTRALIZATION. WHAT IS THE CONCENTRATION OF THE LIOH SOLU... Read more

2023-05-08 19:16:13 | Analytical Chemistry
Revision Problems
1- What is the relation between conductance and Molecular weight and ion size? 2- An impure sample of CaC2O4 weighing 0.803 g is titrated with 15.70 mL of 0.101 M KMnO4. The net reaction is 2 MnO4- + 5 C2O42- + 16 H+ → 2 Mn2+ + 10 CO2 + 8 H2O What is the percent by mass of the CaC... Read more

Lecture 6 : Instrumental Analysis

2023-06-01 00:00:05 Analytical Chemistry
Lecture 6 : Instrumental Analysis a- pH metry and pH metric titrations b- Conductivity meter and Conductometric titrations Read more

Lecture 6 Instrumental Analysis

2023-05-08 19:23:18 Analytical Chemistry
Instrumental anlaysis a- pH metry. b- Conductometric titrations. Read more

Lecture 1

2023-04-15 12:19:31 Analytical Chemistry
ANALYTICAL CHEMISTRY Chapter 1 Introduction in Quantitative Analysis A- Acid Base Titrations Read more

Lecture 2

2023-04-15 12:21:21 Analytical Chemistry
LECTURE 2 i- Acid Base titrations ii- Redox titrations Read more

Lecture 3

2023-04-15 12:30:10 Analytical Chemistry
Lecture 3 ii- Redox Titrations iii- Complexmetric Titrations Read more

Lecture 4

2023-04-15 12:32:32 Analytical Chemistry
Precipitation Titrations 1- Mohr Method 2- Volhard Method 3- Fajans Method 4- Turbidity Method Read more

Lecture 5

2023-04-15 12:36:22 Analytical Chemistry
Lecture 5 Gravimetric Analysis Read more