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To prepare a 1% phenolphthalein solution in 2000mL, you would need to dissolve 20g of phenolphthalein in 2000mL of solvent (usually water or alcohol). This will result in a 1% solution by weight/volume. Remember to wear appropriate personal protective equipment and handle chemicals with care.
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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 phenolphthalein indicator for titration?
Upon swallowing such a solution, you would collapse almost immediately and lose consciousness within 10-20 seconds. Death would follow in a matter of minutes. With such a massive dose taken, any medical assistance, no matter how aggressive, would prove futile. A gram mixed in with about 4 to 8 oz water would render you unconscious within 15-45 sec (depending on your body) and without medical attention you would be dead within 30-45 min.
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 much phenolphthalein indicator should be used?
Typically, 1-2 drops of phenolphthalein indicator are sufficient to use in an acid-base titration experiment. It is important not to use too much indicator, as it can affect the accuracy of the titration results.
How will you prepare 1 percent naoh?
To prepare a 1% NaOH solution, you can mix 1 part of NaOH (sodium hydroxide) with 99 parts of water by weight. For example, to prepare 100 mL of 1% NaOH solution, you would dissolve 1 gram of NaOH in 99 grams of water. Remember to always add NaOH to water slowly while stirring to avoid splattering and heat generation.
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?
How do you make 1 solution phenolphthalein?
To make a 1% solution of phenolphthalein, you would typically dissolve 1g of phenolphthalein in 100mL of a suitable solvent, such as ethanol or water. Mix well until the phenolphthalein is fully dissolved to obtain the desired concentration.
How many ml are needed to prepare 1 liter of 2.5 percent dextrose solution?
25
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.
What is 2000ml?
2 ltersThere are 1000 milliliters in 1 liter. One milliliter is 0.001 liter.
How do you prepare 1 percent gentian violet?
1) take 10gm of gentian violet. then add to them: 2) Alcohol 70% ( H2O).... to 1000 ml
How many grams of hydrocortisone powder should be used to prepare 1 pound of a 25 percent hydrocortisone cream?
120 g
How many grams of a drug must be used to prepare 5000 milliliters of a 1 percent solution?
You need 50 g of this drug.
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 many milliliter in two liters?
2000ml = 2L. A Milliliter is 1000th of a Litre.
What is 2000ml equivalent to in liters?
Since 1 L = 1,000 mL, that means 2,000 mL is 2 L.
How do you prepare phenolphthalein indicator for titration?
Upon swallowing such a solution, you would collapse almost immediately and lose consciousness within 10-20 seconds. Death would follow in a matter of minutes. With such a massive dose taken, any medical assistance, no matter how aggressive, would prove futile. A gram mixed in with about 4 to 8 oz water would render you unconscious within 15-45 sec (depending on your body) and without medical attention you would be dead within 30-45 min.
