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How do you prepare 1 percent nitric acid solution?
You would dissolve 1 part HNO3 into 99 parts of your solvent.
What does Phenolphthalein indicate?
Phenolphthalein indicates the presence of an acid or base within substance. When there is a base present the phenolphthalein will create a pink to fuchsia color. When an acid is present the phenolphthalein will create a colorless to orange color.
How will you prepare 1 percent naoh?
Dissolve (by adding carefully) 10 grams of sodium hydroxide in 900 mL disilled water and then fill it up to 1 Litre (or more exact: fill it up to 1 kg).
How many distilled water will be added to prepare 1000 ml 95 percent ethanol from 1000 ml 99 percent ethanol?
1. Extract 959,6 mL from the 99 % solution. 2. Add 40,4 mL water.
What is phenolphthalein molecular weight?
It has the molecular formula C20 H14 O4. Thus its Mr is (12*20+1*14+16*4) or 318.
How do you prepare 1 percent iodine solution?
hehehe
How much is one third of two liters?
2 liters=2000ml so: 2000ml/3=667ml Therefore 1/3 of 2L is 667mililiters.
Preparation of 1 percent agarose gel or How to prepare 1 percent agarose gel?
Check the answer for How do you make an electrophoresis gel?
What percentage of 2litres is 400ml?
2000ml(2l)÷400=5. 400 is 100 percent. 100x5= 500 percent.
How do you make phenophtalene indicator from the powder?
1. - Weigh out 0.5 g of phenolphthalein. 2. - Prepare a 50% ethanol (ethyl alcohol) solution consisting of 50ml ethanol and 50 ml water. 3. - Dissolve the phenolphthalein thoroughly in the 50% ethanol solution. 4. - Use from a bottle fitted with an eye dropper. Store the rest in a stoppered bottle.
How many ml are needed to prepare 1 liter of 2.5 percent dextrose solution?
25
How do you prepare 1 percent nitric acid solution?
You would dissolve 1 part HNO3 into 99 parts of your solvent.
What is 2000ml?
2 ltersThere are 1000 milliliters in 1 liter. One milliliter is 0.001 liter.
How do you prepare a 1 percent solution of table sugar?
Add 10 g to a volumetric flask and make up to the 1 liter mark.
How do you prepare 1 percent of sodium citrate?
THE MEANING OF % IS 1 gm of substance in 100 mL of solvent.(w/v) so you can prepare 1 % sodium citrate by dissolving 1.0 g of Sodium citrate in to 100 ml of water.
What does Phenolphthalein indicate?
Phenolphthalein indicates the presence of an acid or base within substance. When there is a base present the phenolphthalein will create a pink to fuchsia color. When an acid is present the phenolphthalein will create a colorless to orange color.
How do you dissolve phenlthphalein powder?
Typical solutions consist of 0.1g of phenolphthalein powder dissolved in 50ml of ethyl alcohol. To this solution add another 50ml of water.
