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- Weight 0,4 g of NaOH
- Transfer the granules in a 1 L volumetric flask
- Add 9oo mL distilled water; maintain the flask in a thermostat at 20 0C, for min. half hour
- Add distilled water up to the mark
- Stir the content
To know the correct concentration this solution must be titrated with an acid.
Wiki User
∙ 11y ago
Wiki User
∙ 9y ago"to prepare a 0.2N NaOH solution we will have to mix 0.2 moles of NaOH to one litre of water. as we know that the formula mass of NaOH is
23+16+1=40, it means we will have to mix
40*0.2=8g of NaOH to one litre of water."
Can not be right IF other one answer is ok. Someone have asked HOW TO PREPARATE 0,2 N NaOH SOLUTION? and answer is :
"1. Weigh 8 g NaOH. 2. Put this NaOH in a 1 L volumetric flask. 3. Add slowly 100 mL distilled water and stir. 4. Put the flask in a thermostat at 20 0C and maintain for 1 hour. 5. Add distilled water up to the mark. Stir vigorously. 6. Standardize the solution by titration with oxalic acid, potassium hydrogen phtalate, etc. 7. Transfer the solution in a bottle and apply a label (date, name of the operator, name of the solution, normality)."
So both of answers told that needs 8 grams NaOH to 1 liter water. But the first one ask 0,02 N and next one ask 0,2 N...
What is the truth?
Wiki User
∙ 15y agoDissolve 0.8 grams of NaOH in 1 liter of water.
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How can you prepare 0.02 N NaOH solution if i have .2N NaOH?
In order to make 0.02 N NaOH from 0.2 N NaOH, one needs to dilute it by 10 x (10 fold). Depending on the volume of 0.02 N NaOH needed, that will determine the volume of 0.2 N used. For example, to make 100 ml of 0.02 N NaOH, you would dilute 10 mls of 0.2 N to 100 ml. This is seen in the following calculation: (x ml)(0.2 N NaOH) = (100 ml) (0.02 N NaOH) and x = 10 ml
What is the calculation for 0.1 N naoh solution?
mehedi hasan
How do you prepare 0.01 N NaOH from 0.02 N NaOH?
Since "normality" is defined as the gram equivalent weight of a substance in a liter of solution, a 0.02 N NaOH solution would have 0.02 gram equivalents of NaOH per liter. To reduce it to 0.01 N you need only dilute it to one half of the original - e.g. 500 ml of NaOH mixed with 500 ml of pure water. Because there is a small change in the density upon mixing, the exact amount of water will differ slightly from 500 ml, but for a solution as dilute as 0.02 N, it won't be that far off. The best way to get it exact would be to start with a known volume of 0.02 N NaOH and then add enough water to bring the total to exactly twice the original volume. This might be accomplished by doing it in a graduated cylinder or adding it from a burette into a volumetric flask. the important thing is to know the starting volume of the 0.02 N solution and the final volume of the diluted (0.01 N) solution
How to prepare 6N NaOH?
Hi, 6N NaOH = 6M NaOH 6M NaOH are 6 moles in 1L Mw (NaOH) = 39.88 gr/mole so: m = n x MW = 6 x 39.88 = 239.28 gr NaOH. :)
How do you get a 2.5 N NaOH solution in methanol?
It is same, instead of water take methanol...
How do you prepare 2 liters of 0.75 N Na OH?
Take 60 gm NaOH (100%) disolve it in distilled water, and make up to 2.0 liter by distlilled water.the prepared solution is 0.75 N NaoH Solution.
How will prepare 200ml of 10 percent NaOH Solution?
Dissolve 0.4 g of NaOH in 100 ml of water. Try it out. Actually it is not suitable to prepare NaOH solutions in standard flasks.It should be made in beakers & must be standardised..This is done to find the correct normality...
How can you prepare 0.02 N NaOH solution if i have .2N NaOH?
In order to make 0.02 N NaOH from 0.2 N NaOH, one needs to dilute it by 10 x (10 fold). Depending on the volume of 0.02 N NaOH needed, that will determine the volume of 0.2 N used. For example, to make 100 ml of 0.02 N NaOH, you would dilute 10 mls of 0.2 N to 100 ml. This is seen in the following calculation: (x ml)(0.2 N NaOH) = (100 ml) (0.02 N NaOH) and x = 10 ml
What is the calculation for 0.1 N naoh solution?
mehedi hasan
How do you prepare 0.01 N NaOH from 0.02 N NaOH?
Since "normality" is defined as the gram equivalent weight of a substance in a liter of solution, a 0.02 N NaOH solution would have 0.02 gram equivalents of NaOH per liter. To reduce it to 0.01 N you need only dilute it to one half of the original - e.g. 500 ml of NaOH mixed with 500 ml of pure water. Because there is a small change in the density upon mixing, the exact amount of water will differ slightly from 500 ml, but for a solution as dilute as 0.02 N, it won't be that far off. The best way to get it exact would be to start with a known volume of 0.02 N NaOH and then add enough water to bring the total to exactly twice the original volume. This might be accomplished by doing it in a graduated cylinder or adding it from a burette into a volumetric flask. the important thing is to know the starting volume of the 0.02 N solution and the final volume of the diluted (0.01 N) solution
How do you prepare 0.25N of sodium hydroxide?
add 10 grams of NaoH into 1000 ml water, it will give you NaoH of 0.25N. As for making 1N solution you need to disolve 40 grams of NaoH into 1 litre water.
How to prepare 6N NaOH?
Hi, 6N NaOH = 6M NaOH 6M NaOH are 6 moles in 1L Mw (NaOH) = 39.88 gr/mole so: m = n x MW = 6 x 39.88 = 239.28 gr NaOH. :)
How do you get a 2.5 N NaOH solution in methanol?
It is same, instead of water take methanol...
What is the normality of 2 lit solution contaning 40 gm of NaOH?
0.5 N
0.01N NAOH solution preparation?
Take 10 ml of 1 N NaOH and dilute to 1000 ml with D.I. H2O
What is 4N NaOH?
The atomic weight of Na-OH is 23+16+1= 40. So to prepare the one N solution of Na-OH, you need to add 40 grams of Na-OH in one litre of water. To prepare the 4N Na-OH solution, you need to add 160 grams of Na-OH in one litre of water.
How do you Prepare 0.02 N potassium permanganate solution?
pottassium permangate
