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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 alcohol a polar solvent?
Yes, alcohol is a polar solvent.
Why 70 percent alcohol used in laboratory?
70 percent alcohol is used in laboratories because it has a higher penetrative power than higher concentrations, allowing it to effectively disrupt the cell walls of microorganisms. It also evaporates more slowly than higher concentrations, providing more contact time for disinfection. Additionally, 70 percent alcohol is less flammable and less likely to damage surfaces compared to higher concentrations.
What percent of cologne is alcohol?
The percentage is between 50 % and 70 %. But is denatured alcohol, I don't recommend to drink.
Is alcohol an organic solvent?
Yes, alcohol is considered an organic solvent because it can dissolve organic compounds.
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.
What is the solvent and solute for Rubbing Alcohol?
Alcohol is a type of organic solvent. Regardless, when alcohol is the majority of a mixture, it is considered the solvent, and when something else is the majority of the mixture, it is the solute.
What percent of car crashes involve alcohol?
about 70%
Is 70 percent isopropyl alcohol a mixture?
Yes, it is.
What is the Difference between 70 percent and 50 percent rubbing alcohol?
20%
What percent alcohol does firefly vodka contain?
35 percent 70 proof
What is 70 percent alcohol and what is 95 percent alcohol which is better to use and why?
70% alcohol means in hundred parts of it, 70 parts are pure alcohol, rest is water. 95% means 95 parts of pure alcohol in 100 parts, so 5 parts of water. It depends on the usage. As a solvent, 95% would be preferred. As antiseptic, both can be used, 75% being more common as medicinal spirit. For consumption, fairly dilute concentrations are preferred. Above 43% are rare so both the above concentrations are dangerous for consumption.
How many liters of 10 percent alcohol solution must be mixed with 70 liters of a 70 percent solution to get a 30 percent solution?
210Type your answer here...
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 percent of teenage pregnancies occur under the influence of alcohol?
70%
How much 95 percent alcohol must be used to prepare 1000 ml of 70 percent alcohol?
To prepare 1000 ml of 70% alcohol solution, you would need to mix 700 ml of 95% alcohol with 300 ml of water. Starting with a base of 95% alcohol ensures that the final solution will be at least 70% alcohol.
