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Twice Half as strong. Really? What the heck kind of question is this?
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How many liters of 9 percent salt solution and 18 percent salt solution are needed to make 18 liters of 10 percent salt solution?
A. 16 of 18 percent and 2 of 9 percent b. 14 of 18 percent and 4 of 9 percent c. 16 of 9 percent and 2 of 18 percent d. 14 of 9 percent and 4 of 18 percent
Why does a potato not gain or lose mass in a 4 percent concentrated salt solution?
Because the environment is Isotonic (having the same or equal osmotic pressure).
How much pure acid should be mixed with 2 gallons of a 70 percent acid solution in order to get a 90 percent acid solution?
Set up. .70(2 gal) + X = .90(X + 2 gal) distribute 1.4 + X = .90X + 1.8 X = .90X + .4 .1X = .4 X = 4
How much water added to convert a 10 percent solution to 02 percent solution?
add 4 parts water per part solution
How many ounces of a ten percent alcohol solution must be mixed with 6 ounces of a fifteen percent alcohol solution to make a thirteen percent alcohol solution?
4 ounces
Is a 2 percent salt solution hypertonic or hypotonic to a 4 percent salt solution?
hypotonic
How many liters of 9 percent salt solution and 18 percent salt solution are needed to make 18 liters of 10 percent salt solution?
A. 16 of 18 percent and 2 of 9 percent b. 14 of 18 percent and 4 of 9 percent c. 16 of 9 percent and 2 of 18 percent d. 14 of 9 percent and 4 of 18 percent
A chemist needs 4 liters of a 50 percent salt solution All she has available is a 20 percent salt solution and a 70 percent salt solution How much of each of the two solutions should she mix to obtain?
You will need more data about all densities (in kg/Litre)and you must be sure of using mass% = (g solute)/(100 g solution)Solve two equations for both X and Y:4*d50*50 = X*d20*20 + Y*d70*70 (based on salt mass balance in diff. sol'n.)4*d50 = X*d20 + Y*d70 (based on solutions mass balance)In which:dm = density of the 'm'% salt solution in kg/Litre)X and Y = volume of the 20% and 70% salt solutions respectively
What are the release dates for Beggars and Choosers - 1999 Fifty Three Percent Solution 2-2?
Beggars and Choosers - 1999 Fifty Three Percent Solution 2-2 was released on: USA: 4 July 2000
Give 5 examples of homogeneous mixture?
Examples are:1- Cold drink 2- Air 3- Milk 4- blood 5- Sugar solution
Why does a potato not gain or lose mass in a 4 percent concentrated salt solution?
Because the environment is Isotonic (having the same or equal osmotic pressure).
How do you get rock salt from rocks?
1. Grinding of the rock salt. 2. Dissolving of the rock salt in water. 3. Filtering of the solution. 4. Repeated processes of crystallization/recrystallization.
What percantage of salt in oceans?
4 percent
What are the principal end uses for salt?
chemicals (45 percent), road de-icing/ice control salt (31 percent), salt sold to distributors (8 percent), industrial uses (8 percent), agricultural salt (6 percent), food (including table salt, 4 percent)
How much pure acid should be mixed with 2 gallons of a 70 percent acid solution in order to get a 90 percent acid solution?
Set up. .70(2 gal) + X = .90(X + 2 gal) distribute 1.4 + X = .90X + 1.8 X = .90X + .4 .1X = .4 X = 4
How much water added to convert a 10 percent solution to 02 percent solution?
add 4 parts water per part solution
How many ounces of a ten percent alcohol solution must be mixed with 6 ounces of a fifteen percent alcohol solution to make a thirteen percent alcohol solution?
4 ounces
