using C1xV1=C2xV2: how much 95% alcohol is required to make 200 mls of a 5% alcohol?
using C1xV1=C2xV2: how much 95% alcohol is required to make 200 mls of a 5% alcohol?
Macroscale Crystallization pre lab calculations: 1. Calculate how much 95% ethyl alcohol will be required to dissolve 0.75 g of sulfanilamide at 78 degrees Celsius. 2. Using the volume of solvent calculated in step 1, calculate how much sulfanilamide will remain dissolved in the mother liquor after the mixture is cooled to 0 degrees Celsius.
Calculate how much 95% ethyl alcohol will be required to dissolve 075g sulfanilamide at 78 degree Celsius. Knowing that solubility of sulfanilamide is 210 mg/ml at 78 degree Celsius, 14mg/ml at 0 Degree Celsius.
How many ml of 95% alcohol should be mixed with 30% alcohol to make 23 fluid ounces of a 40% solution?
Calculate how much of each solution (and water!) you would need to make 100 mLs of a 0.1 M Tris/0.05M EDTA solution from 1M Tris and 1 M EDTA stock solutions?
In what proportion should 95% alcohol be mixed with 30% alcohol to make 70% alcohol?
How much alcohol USP (95% ethanol) should be added to preparation to preserve the following prescription? Rx Active drug 5ml volume occupied Drug solids 3 ml volume occupied Glycerin 15 ml Sucrose 25g Ethanol 95% q.s. Purified water q.s. 100 ml
1.how will you make a 7-carbon disulfide from an alcohol? 2.how will you make a 5-carbon disulfide from an alcohol? 3. how will you make a 5-carbon sulfoxide from an alcohol?
How much heat is required to raise the temperature of 400g of ethyl alcohol from 25 Coto 50 Co? The specific heat of ethyl alcohol is 0.58 cal/goC.
You are asked to make a 50 ppm solution of benzene in alcohol. You have 200 mL of alcohol (density 0.84 g/mL). How many mL of benzene (density 0.96 g/mL) do you need to add to add to the alcohol to make it 50 ppm Benzene in mixture? (10)
How much of 95% ethanol must be mixed with 20% ethanol to make 1 pint of a 40% ethanol solution?