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How much water must be added to 40 ml of a 25 percent by weight solution to make a 2 percent by weight solution?

About 80ml of water must be added to 40ml of a 25 percent by weight solution to make a 2 percent by weight solution.


How many grams of glucose must be added to 525 g of 2.5 percent leg mass glucose solution?

how many grams of glucose must be added to 525g of 2.5 percent leg mass glucose solution?and give the furmela?


What is the final percent concentration of the solution when 600 ml of 100 percent methanol added to 4400 ml of water?

The final percent concentration of the solution would be approximately 12.0% methanol. This is calculated by dividing the volume of methanol by the total volume of the solution (600 ml / 5000 ml) and then multiplying by 100 to get the percentage.


What mass of solution would result if 81g of glucose(C6H12O6) is added to enough water to make a solution of 15.0 percent by mass?

To determine the mass of the solution, we need to calculate the total mass of the solution when 81g of glucose is added. Since the solution is 15.0% glucose by mass, the remaining 85.0% is water. Therefore, the total mass of the solution can be calculated using the mass of glucose added and the percentage of water. This would result in a total mass of solution greater than 81g due to the addition of water to dissolve the glucose.


Describe a solution that contains a buffer?

Acetic acid is added to the solution, but the pH of the solution does not change. Sodium hydroxide, a base, is added to the solution, but the pH of the solution does not change.

Related Questions

How many ml should be added to 100ml of a 25 percent solution to get produce a 20 percent solution?

add 25ml more of solution x * 20 = 100 * 25 x = 25


How many ounces of 20 percent saline solution must be added to 40 ounces of a 5 percent saline solution to make a 10 percent saline solution?

NOT: 15 ounces to make 10%Correct answer:Twenty ouncesCalculus:Let it be M ounces. Then:20%*(M ounce) + 5%*(40 ounce) = 10%*(M+40 ounce)20*M + 200 = 10*M + 400(20-10)*M = 400-20010M = 200M = 20


How much of a ten percent solution should be added to two cups of twenty percent solution to make a twelve percent solution?

2%


How much water must be added to 40 ml of a 25 percent by weight solution to make a 2 percent by weight solution?

About 80ml of water must be added to 40ml of a 25 percent by weight solution to make a 2 percent by weight solution.


How much water must be added to 12 grams of a 90 percent iodine solution to produce a 25 percent iodine solution?

12*(90%)=10.8=X*.25 10.8/.25=X=43.2 43.2-12=31.2 31.2 grams of water must be added


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 added to convert a 10 percent solution to 02 percent solution?

add 4 parts water per part solution


A mixture contains ninety-two ounces of glycol and water and is forty-five percent glycol. If the mixture is to be weakened to thirty percent how much water must be added?

The original mixture contains 41.4 ounces of glycol. for this to be 30 percent of the mixture, the total mixture must be 138 ounces, so 46 ounces of water must be added.


How much salt must be added to 60kg of a 20 percent solution of salt to increase it to 40 percent solution of salt?

20%


How much water must be added to 12 L of a 40 percent solution of alcohol to obtain a 30 percent solution?

4 litres


How many gallons of 3 percent salt solution must be mixed with 50 gallons of 7 percent salt solution to obtain a 5 percent salt solution?

50 gallons @ 3% must be added.


A 280 mL solution is 20 percent salt How much water should be added to make the solution 14 percent salt?

98 mL