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The optical density value of ethanol varies depending on its concentration and the wavelength of light being measured. At a standard concentration of 1 mg/mL, ethanol has an optical density value of approximately 0.25 at a wavelength of 220 nm. This value increases with higher concentrations and shorter wavelengths.

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What is optical density of diamond?

The optical density of a diamond is approximately 2.42. This value indicates the extent to which a diamond refracts light, leading to its brilliance and sparkle. The high optical density of diamond contributes to its value as a gemstone.


What has a density of 0.647?

The substance with a density of 0.647 g/cm³ is likely ethanol at room temperature. Ethanol has a density close to this value, which can vary slightly depending on temperature and impurities.


What does optical density of 1 means?

An optical density of 1 indicates that 90% of light is absorbed by the material being measured. It is commonly used in spectrophotometry to quantify the amount of light absorbed by a sample. A higher optical density value indicates greater light absorption.


What is the effect of decreasing the incubation time on optical density?

The effect of decreasing incubation time on optical density is that optical density decreases. Incubation time and optical density have a proportional relationship.


What is the volume of 85.5g of ethanol?

To find the volume of 85.5g of ethanol, you need to know the density of ethanol. The density of ethanol is approximately 0.789 g/mL at room temperature. You can divide the mass of ethanol (85.5g) by its density (0.789 g/mL) to find the volume in milliliters.


How do you calculate the density of an ethanol-water mixture?

To calculate the density of an ethanol-water mixture, you would use the formula: Density (mass of ethanol mass of water) / (volume of ethanol volume of water) You would need to know the masses and volumes of both ethanol and water in the mixture. Then, you can plug these values into the formula to find the density of the mixture.


Will ice sink or float in ethanol?

Ice will float in ethanol because ice is less dense than ethanol. The density of ice is about 0.92 g/cm3, while the density of ethanol is about 0.79 g/cm3. This difference in density causes ice to float in ethanol.


Is hexane more dense than ethanol?

No, hexane is less dense than ethanol- hexane has a density of 0.6548g/mL and ethanol has a density of 0.789g/mL, so hexane will float on top of ethanol.


How do you find the total volume of ethanol if the total mass is 60.345?

Divide by the density of ethanol.Assuming that it is a total mass of 60.354 grams, and the density of ethanol is 0.789 grams per cm3 (or grams per mL), then the volume of that much ethanol is:60.354 grams ÷ 0.789 grams/mL = 76.494 mL


What is the density of 95 ethanol?

According to the CRC Handbook, 70th edition, the density of 94% ethanol is 0.8070 g/ml and the density of 96% ethanol is 0.8013 g/ml. We can interpolate to find that the 95% ethanol should be 0.8042 g/ml.


What volume of ethanol has a mass of 15.5 grams?

15.5 gram ethanol x 1 mL/0.789 (density) = 19.65 mL the density of ethanol is 0.789g/mL


Is optical medium and optical density same?

No, optical medium and optical density are not the same. Optical medium refers to the material through which light propagates, such as air, water, or glass. Optical density, on the other hand, is a measure of how much a material can refract or absorb light, which affects how light passes through it.