1/3 = 33.3%
1/3
4000
A+ 5000
6 litres of 50% + 4 litres of 25%
30 ml of ethanol to 70ml of distilled water.
Find the volume of the 100% ethanol Add 1/19 of water to the volume (if it is like 190ml, add 10ml of water since 190/200=95%)
5l is greater than 500ml
Yes, 100 percent ethanol is considered a pure substance because it consists of only one type of molecule, which is ethanol.
One has 4.5 percent more alcohol which is important because you can get to a max of 95 percent using fractional distillation. To get the 99.9 percent or absolute alcohol, you need to use other more advanced methods. Some of these include include desiccation using adsorbents.
7 calories per ml, 7.5ml of alcohol, 122.5 calories.
Metaphosphoric acid is often used as a moisture- or water-absorbing reagent. To prepare one-liter of 5 percent metaphosphoric acid, dilute 59 ml of 85 percent metaphosphoric acid with one liter of distilled water.
1/4....a litter =1000 ml
No
To prepare 100ml of 70% Ethanol, measure 70ml of 95% ethyl alcohol in a graduated cylinder and add 30ml of distilled water. To prepare 100ml of 70% Ethanol, measure 70ml of 95% ethyl alcohol in a graduated cylinder and add 30ml of distilled water.
In order to find out how many grams is in 500ml, one must have a measurement of density available. If density is not known, it can be found by finding the volume of the substance in ml, finding mass in grams, and dividing mass by volume. From there, multiply the result by 500ml to find the amount of grams in 500ml of the substance.
To find the mass of ethanol in a 6.8% ethanol solution, you would first need to calculate the volume of ethanol present in the solution. For a 6.8% solution, this would be 0.068 liters of ethanol. Next, you can use the density of ethanol (0.789 g/ml) to convert the volume to mass, which would be 0.068 liters * 0.789 g/ml = 0.0536 g of ethanol in one liter of the solution.