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Why only 70 percent alcohol as disinfectant not more or less concentrated?
because the 100% alcohol is inhibited the protein synthesis but can not reach at the nucleic acid and it create an protective layer out side the cell membrane but 70% alcohol is more aqueous than the 100% alcohol and reaches easily in the whole cell and inhibited the protein synthesis the cell may lead to died thats why only 70%alcohol is used as chemical disinfectant....
Why 70 percent alcohol used in laboratory?
If WE Use 90% alcohol it will get evaporated, for 30% alcohol no reaction occurs as water content will be high . so, 70% is used
Why 70 percent alcohol is used for sterilization not 100 percent?
First of all, because technological limits mean that we can only get alcohol at a purity of about 90%. 90% alcohol is also far more expensive than 70%, so it is more cost effective to use 70%. Ignoring all of that, the main reason is that 70% alcohol works just fine and sterilizes object very well.70%alcohol is the efficient concentration to denature the protein.
What is the solvent in 70 percent alcohol?
70% alcohol signifies the amount the alcohol present in 100 ml of the solution. Considering the solvent to be water, 70% alcohol contains 70ml alcohol and 30ml water. Thus, the total comes out to 70 + 30 = 100ml. That's what the "%" signifies - (out of 100!)
What percent of cologne is alcohol?
The percentage is between 50 % and 70 %. But is denatured alcohol, I don't recommend to drink.
Why only 70 percent alcohol as disinfectant not more or less concentrated?
because the 100% alcohol is inhibited the protein synthesis but can not reach at the nucleic acid and it create an protective layer out side the cell membrane but 70% alcohol is more aqueous than the 100% alcohol and reaches easily in the whole cell and inhibited the protein synthesis the cell may lead to died thats why only 70%alcohol is used as chemical disinfectant....
Why 70 percenet is used instead of 100 percent as disinfectant?
Disinfectants are usually mostly alcohol, Ethanol to be exact. Ethanol can only reach a purity degree of 95-96 percent in liquid form, with purer solutions existing only as a gas. 70 percent alcohol is sufficient to kill the bacteria, and a higher purity would not have any beneficial effect.
How much 95 percent alcohol must be used to prepare 1000 ml of 70 percent alcohol?
how much 95% alcohol must be used to prepare 1000 ml of 70% alcohol
How is alcohol useful?
Alcohol is useful to cleanse things. Alcohol can kill bacteria. Therefore it is often used in a disinfectant. Most of the time it's 70% alcohol 30% water
Why 70 percent alcohol used in laboratory?
If WE Use 90% alcohol it will get evaporated, for 30% alcohol no reaction occurs as water content will be high . so, 70% is used
What fraction of 10 percent alcohol should be mixed with 70 percent alcohol to obtain 50 percent alcohol?
2/3 of 70% and 1/3 of 10%
Why 40 percent alcohol cheaper than 70 percent alcohol?
Because the concentration of alcohol is lower; you pay the alcohol not the water.
Why 70 percent alcohol and absolute alcohol used in DNA isolation?
70% ethnol is used for the dna isolation becuse it makes hydrogen bonding with the water molecules and makes DNA hydrophopic so that it pricipitated.
Why 70 percent alcohol is used for sterilization not 100 percent?
First of all, because technological limits mean that we can only get alcohol at a purity of about 90%. 90% alcohol is also far more expensive than 70%, so it is more cost effective to use 70%. Ignoring all of that, the main reason is that 70% alcohol works just fine and sterilizes object very well.70%alcohol is the efficient concentration to denature the protein.
Is 70 percent isopropyl alcohol a mixture?
Yes, it is.
What percent of car crashes involve alcohol?
about 70%
What percent alcohol does firefly vodka contain?
35 percent 70 proof
