answersLogoWhite

0


Best Answer

Molarity = moles of solute/liters of solution ( 300 ml = 0.300 liter )

0.250 molar KOH = moles KOH/0.300 liters

= 0.075 moles KOH

User Avatar

Wiki User

13y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How many moles of potassium hydroxide are required to prepare 300 mL of 0.250 M solution?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How do you prepare 500 mils 1 potassium hydroxide from N potassium hydroxide solution?

A mil is a measurement that equals one-thousandth of an inch, or 0.001 inch.


How do you prepare one liter of a 1.25M ammonium hydroxide solution?

This depends on the concentration of the primary solution; for a 25 % ammonium hydroxide solution you need 85,15 mL.


How do you prepare Drabkin's solution?

Drabkin's Solution is a mixture of potassium cyanide and potassium ferricyanide. What this solution does is hemolysis red blood cells and then hemoglobin is released.


How to prepare 250ml of a 2m solution of potassium chloride?

111.72


How do you prepare liquid soap for dish and clothes washing?

In the fabrication process of soap potassium hydroxide is used.


How do you prepare iodine solution?

dissolve iodine crystals in a saturated KI(potassium iodide) solution


How do you Prepare 0.02 N potassium permanganate solution?

pottassium permangate


How do you prepare a 5 percent potassium iodide solution?

ask your teacher.


How do you prepare methanolic KOH?

The formula "K" refers to potassium hydroxide. When dissolved in methanol (OH), it becomes KOH, or methanolic potassium hydroxide. This is an extremely volatile liquid, so the utmost care must be taken in preparation.


Why potassium hydroxide is not used in washing soap?

Potassium hydroxide is used to prepare only liquid soaps. Soaps resulted from the saponification of fats with KOH are liquids or viscous. Soaps resulted from the saponification of fats with NaOH are solids.


What mass of potassium benzoate trihydrate is needed to prepare one liter of a 0.125 molar solution of potassium benzoate?

From the definition of molar concentration, the required amount of solute for the solution specified is 0.125 moles. The gram formula mass for potassium benzoate trihydrate is 214.26. Therefore, the mass required is 0.125 X 214.26 or about 26.8 grams, to the justified number of significant digits.


How do you prepare one normal solution of potassium nitrate?

Dissolve 101.1 g of potassium nitrate in 1 litre of water