Volumetric Analysis Numericals Class 12 NEB🇳🇵 Part-1

Volumetric Analysis Numerical - Part 1

In this video, I am going to teach you the basics of volumetric analysis numericals. This includes solving past questions, and explaining the concepts in a simple and easy to understand manner.

This is the first of a series of videos that will help you understand numerical analysis in class 12 chemistry. If you are looking to start preparing for your NEB class 12 chemistry exams, then this is the video for you!

Timestamps-
0:00 Introduction
0:06 What weight of Na2CO3 is required to prepare 250 ml of its decinormal solution?
3:21 How many grams of oxalic acid crystal is required to prepare 500 ml of 2N solution?
5:21 A solution is prepared by dissolving 1.575 gm of (COOH)2. 2H2O crystals in 500 ml of its solution. Express the strength of the solution in terms of: a. Normality b. Molarity c. Gram/Litre d. Percentage by volume
9:40 You are given 1.2N Na2CO3 solution. Find a. Molarity b. Gram/litre c. Percentage of solution
11:47 Convert the followings: a. 2.5 M H3PO4 into Normality b. 4.9 M H2SO4 into gm/litre
13:18 Calculate the normality and molarity of 5% NaOH solution.
14:42 What is the normality of 500 ml solution of sodium hydroxide containing 30 gm NaOH?
15:26 Which one has higher concentration and why?
a. 80 g/liter NaOH & 3 M NaOH b. 5.3 g/liter Na2CO3 & N/10 Na2CO3 solution
17:31 . Calculate the molality of one liter of 93% pure H2SO4 solution (weight by volume). The density of the solution is 1.84 g/ml.
21:22 x ml of 10M HCl was diluted to two liter normal solution. Calculate the value of x.
23:45 What volume of water should be added to 50 ml of semi-normal NaOH solution to make it exactly decinormal?
25:20 What volume of water must be evaporated from 155 mL of 0.852M magnesium chloride solution to make it 0.968 M?
26:59 what will be the volume of 20 ml of 2N HCl solution so that its strength becomes 𝑵/𝟏𝟎 ?
27:32 What mass of 90% pure CaCO3 is required to neutralize 3 liter decinormal solution of HCl?
31:03 What volume of decinormal solution of HCl is required to neutralize 25 ml NaOH containing 8 gm NaOH in 4 liters solution?
32:58 Calculate the volume of 1 M NaOH required to neutralize 200 ml of 2M HCl. What mass of sodium chloride are produced from neutralization reaction?
35:26 How many moles of H2SO4 are required to neutralize 4 liters of 2N NaOH solution?
36:58 x gm of magnesium reacts with 20 ml of N ( f= 0.95) acid. Calculate the weight of x.

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Volumetric analysis class 12 numericals - Part 1
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