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A mixture of 40 liters of milk and water contains 10 percent water How much water should be added to this so that water may be 20 percent in the new mixture?
Wiki User
∙ 12y ago
If you're talking about 10 liters of water and not percent, then 10 liters. But then you'll have 60 liters of mixture. It would be 2/5 or 0.4 x 50 = 20 this would make a mix of 20/50. Waterman
Wiki User
∙ 16y ago
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A 3 gallon mixture contains one part S and two parts R In order to change it to a mixture containing 25 percent S how much R should be added?
Call the unknown amount of substance R to be added a. The mixture initially contains 1 gallon of S combined with 2 gallons of R. After the addition, the mixture will contain the oiginal 1 gallon of S and (2 + a) gallons of R. In order for the content of S to be 25 % after the mixing, 1 gallon must equal 0.25(1 + 2 + a)gallons, or (1 - 0.75)gallons = (0.25)a, or a = 0.25/0.25 = 1 gallon.
A solution of 30 percent acid and a solution of 60 percent acid are to be mixed to produce 50 liters of 57 percent acid How many liters of each solution should be used?
t = number of liters of 30% acid solution s = number of liters of 60% acid solution t+s=57 .30t+.60s=.50*57 t=57-s .30(57-s)+.60s=.50*57 .30*57 -.30s +.60s = .50*57 .30s = .50*57 - .30*57 = .20*57 s = .20*57/.30 = 38 liters of 30% solution t = 57 - s = 57-38 = 19 liters of 60% solution
How many liters a day should an average adult drink?
1.9 liters.
Elixirs are not wsed nowadays?
Yes they are. An elixir is a drug dissolved in a solution that contains alcohol, and there are a bunch of them. An example is Geritol Tonic, which contains 12 percent alcohol. Nice work this should definitely clean up some drug related Q's
How many liters of blood should the body contain so the heart won't stop?
Just about 2 Liters.
How many liters of a 20 percent solution of acid should be added to 10 liters of a 30 percent solution of acid to obtain a 25 percent solution?
10 liters.
How much water should be added to four liters of 75 percent alcohol to make a mixture of 30 percent alcohol?
There are 3 litres of alcohol in your starting mixture of 4 litres. If you add 6 litres of water you will have 3 litres of alcohol in a total of 10 litres. This is the required strength.
A pineapple drink contains 15 percent pineapple juice how much pineapple juice should be added to 8 quarts of the drink to obtain a mixture containing 50 percent pineapple juice?
5.6 quarts
How many liters of a 20 percent solution of saline should a nurse mix with 10 liters of a 50 percent solution to obtain a mixture that is 40 percent saline?
Let x = the amount of 20% solution Let x + 10 = the amount of the final solution. So we have: (.20)x + (.50)(10) = (.40)(x + 10) .20x + 5 = .40x + 4 .20x = 1 x = 5 liters of 20% solution of saline.
Jorge has four liters of 30 percent acid solution how much water should he add to make 25 percent acid solution'?
Add 0,8 L of water.
How much of an alloy that is 20 percent copper should be mixed with 300 ounces of an alloy that is 60 percent copper in order to get an alloy that is 30 percent copper?
900 ounces. Since this contains 20% copper, The copper content will be 180 ounces. The original 300 ounces contain 30% copper which is also 180 ounces. Hence in the resulting mixture of 1200 ounces (300+900), the total copper is 360 ounces (180+180). Hence the copper content of resulting mixture is 360/1200 which is 30%
A chemist has one solution which is 50 percent acid and a second solution which is 25 percent acid how much of each should be mixed to make a 10 liters of a 40 percent acid solution?
6 litres of 50% + 4 litres of 25%
A 3 gallon mixture contains one part S and two parts R In order to change it to a mixture containing 25 percent S how much R should be added?
Call the unknown amount of substance R to be added a. The mixture initially contains 1 gallon of S combined with 2 gallons of R. After the addition, the mixture will contain the oiginal 1 gallon of S and (2 + a) gallons of R. In order for the content of S to be 25 % after the mixing, 1 gallon must equal 0.25(1 + 2 + a)gallons, or (1 - 0.75)gallons = (0.25)a, or a = 0.25/0.25 = 1 gallon.
Is it safe to eat soup with a sachet of bouquet garni left in?
Yes. The sachet, of course, should not be eaten but should be discarded by the one who finds it. It contains only a mixture of flavourings and seasonings.
How many 12 oz beers in 6 liters?
A sixtel of beer contains 19.8 liters. This is equal to 669.5 fluid ounces. A person should be able to pour 56 12-ounce glasses of beer from a sixtel.
How many liters should be added to 8.24 liters to equal 10 liters?
1.76 litres
How much liter of water does a120 x 40 x 63 cm contains?
The specified volume contains 120 X 40 X 63 or 302,400 cubic centimeters. Each liter contains 1000 cubic centimeter's. Therefore, there are 302.4 liters. If the measurements are not considered exact, only two significant digits are justified, so that this should be written as 3.0 {or 3.02} X 102 liters.
