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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.


What is Percent Concentration?

Percent concentration could mean many things...MOLARITY is defined as the moles of solute per unit volume of solution so 5 moles of NaCl in one liter of solution would be 5M (molar) NaCl solution.(Note: Solution is the solvent and solute combined, usually the solid is added and then the solution is filled to a certain line once the solid has dissolved.)MOLALITY is defined as the moles of solute per kilogram of solvent (NOT solution). So 5 moles of NaCl in one kilogram of water makes 5 mol/kg NaCl. (sometimes the symbol m is used for molality but is often confused with the unit of meters).For other types of "percent concentration" of solutions check:http://en.wikipedia.org/wiki/ConcentrationA cursory glance seemed to confirm the accuracy of the information.

Related Questions

How much of a 50 percent solution should be added to 1 liter to make a 25 percent solution?

Mix this 50% solution in equal quantities with water(?) to halve it's strength. So use 1 litre of the 50% solution and 1 litre of water of that's what you are diluting it with.


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 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


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


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

To make a 2% solution from a 25% solution, you need to dilute it. Let x ml be the amount of water needed. Using the equation for mass balance: 0.25(40) = 0.02(40 + x), solve for x to find that x = 875 ml of water needs to be added.


How many grams of sugar must be added to 60 grams of a solution that is 32 percent sugar to obtain a solution that is 50 percent sugar?

40.8 grams


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