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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?
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How much solvent is needed to make 200 ml of 50 percent rubbing alcohol?
200 ml X .50 = 100 ml
Why 70 percent ethyl alcohol is used rather than 90 percent or 95 percent?
70% alcohol has been found to be more effective in killing microbes.Higher and lower concentration may not be as effective.90% alcohol coagulate proteins in contact.suppose 90% alcohol is poured over one celled organism,the alcohol penetrate the cellwall of the organism.the coagulated protein would then prevent the alcohol further from the cell and no more coagulation then take place.now,if 70% alcohol is added into one celled organism.The diluted alcohol also coagulates the protein, but at a slower rate,so that it penetrates all the cell before coagulation.Then all the cell coagulated and the organism died.
Can you use 70 percent alcohol on penis?
I personally just put some 65% ethyl alcohol hand sanitizer on mine, and it burnt really bad for a minute or two. 70% probably won't kill you. Feelin' so fresh!
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.
What is the Difference between 70 percent and 50 percent rubbing alcohol?
20%
Is 70 percent Isopropyl rubbing alcohol a heterogeneous?
No, 70% isopropyl rubbing alcohol is a homogeneous mixture because it is a uniform solution of isopropyl alcohol with water. It has the same composition throughout and its components are evenly distributed.
HOW MANY ML OF ETHYL ALCOHOL ARE PRESENT IN A 50 ML OF BOTTLE OF RUBBING ALCOHOL?
Usually zero ml because ethanol is not normally used in rubbing alcohol. However, there is a little Ethanol-based rubbing alcohol and rubbing alcohol is usually 70 percent, so multiply 50 ml x .7 to get your answer.
What is the pH number of 70 percent alcohol?
Rubbing alcohol is diluted isopropanol. The formula for isopropanol is (CH3)2CHOH or simply C3H8O.
How many ml of ethyl alcohol are present in 50 ml bottle of rubbing alcohol?
Usually zero ml because ethanol is not normally used in rubbing alcohol. However, there is a little Ethanol-based rubbing alcohol and rubbing alcohol is usually 70 percent, so multiply 50 ml x .7 to get your answer.
How many mL of ethyl alcohol are present in a 50 mL bottle of rubbing alcohol?
Usually zero ml because ethanol is not normally used in rubbing alcohol. However, there is a little Ethanol-based rubbing alcohol and rubbing alcohol is usually 70 percent, so multiply 50 ml x .7 to get your answer.
What are the active ingredients in rubbing alcohol?
I believe it's ethyl alcohol. Also I think rubbing alcohol is 70% isopropyl alcohol and 30% water.. Hope i helped!Rubbing alcohol is a solution of 70% isopropyl alcohol (also called isopropanol or 2-propanol), and 30% Deionized water.Ethyl alcohol is something entirely different.Note that there are also different solutions of Isopropyl alcohol that can also be used for disinfecting and first aid, but Rubbing alcohol is the household name for the 70% Isopropyl alcohol solution.
Is rubbing alcohol a mixture or solution?
Rubbing alcohol is a solution. It is a homogeneous mixture composed of 70% isopropyl alcohol and 30% water.
Where do you get 70 percent Ethyl alcohol?
You can find 70% ethyl alcohol, also known as rubbing alcohol, at most drugstores, pharmacies, and grocery stores. It is commonly used for disinfecting surfaces and hands.
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%
How many ml of ethyl alcohol are present in ml bottle of 70 ethyl rubbing alcohol?
.
How many ml of alcohol are presence in 50ml rubbing alcohol?
Commonly the concentration of ethanol in rubbing alcohol is 70 %.But because many recipes exist, read the label on the bottle; don't drink rubbing alcohol.
