answersLogoWhite

0

M= moles in solution/liters

so plug in what you know

3.0M of KCl solution = moles in solution/ 2.0L

multiply both sides by 2.0L

moles solute = 1.5 moles KCl

so you need 1.5 moles KCl to prepare the solution

User Avatar

Wiki User

14y ago

What else can I help you with?

Related Questions

How many moles of hno3 are needed to prepare 5.0 of a 2.0 m solution of hno3?

10


How many moles of agno3 are needed to prepare 0.50 l of a 4.0 m solution?

Molarity = moles of solute/liters of solution or, for our purposes moles of solute = liters of solution * Molarity moles of AgNO3 = 0,50 liters * 4.0 M = 2.0 moles of AgNO3 needed --------------------------------------


How many moles of HNO3 are needed to prepare 5.0 liters of 2.0m soultion of HNO3?

Concentration of NaOH = 0.025 M = 0.025 Moles per Litre of SolutionVolume of Solution required = 5.00LWe can say therefore that:Number of Moles of NaOH needed to prepare the solution= Concentration of NaOH * Volume of Solution requiredTherefore:Number of Moles of NaOH needed to prepare the solution= 0.025M * 5.00L= 0.125molesFrom this we can say that 0.125 moles of NaOH are needed to prepare a 5.00 L solution with a concentration of 0.025M of NaOH.


How many moles of NaOH are needed to prepare 2 liters of a 2.0 M solution?

4 moles or 160 g NaOH is required for one litre solution.


How many moles of sodium chloride are needed to prepare 500 mL of a 0.250 M solution?

500ml = 500cm3 = 0.5dm3 0.250M = 0.250mol/dm3 number of moles = molarity x volume number of moles = 0.250mol/dm3 x 0.5dm3 = 0.125mol 0.125mol of NaCl is needed to prepare the required solution.


How many moles of Fe3O4 are needed to prepare 4.74 moles of Fe2O3?

7.18


How many moles of NaOH needed to prepare 300 mL of a 0.2 m solution of NaOH?

To find the moles of NaOH needed, use the formula: moles = concentration (molarity) x volume (liters). First, convert 300 mL to liters (0.3 L). Then, calculate: moles = 0.2 mol/L x 0.3 L = 0.06 moles. Therefore, 0.06 moles of NaOH are needed to prepare 300 mL of a 0.2 M solution.


How many moles of potassium hydroxide are required to prepare 300 mL of 0.250 M solution?

To calculate the moles of potassium hydroxide needed, use the formula: moles = molarity * volume (in liters). First, convert 300 mL to liters (0.3 L). Then, moles = 0.250 mol/L * 0.3 L = 0.075 moles of potassium hydroxide needed to prepare the solution.


How many grams of koh are needed to prepare 250 milliliters of a 2 m solution of koh formula mass 56?

To prepare a 2 M solution of KOH, you would need to calculate the moles of KOH required first. Then use the formula mass of KOH (56 g/mol) to convert moles to grams. First, calculate the moles needed: 2 moles/L * 0.25 L = 0.5 moles. Then, convert moles to grams: 0.5 moles * 56 g/mole = 28 grams of KOH needed.


How many moles of copper sulfate are needed to make 2.50 Liters of 0.125 moles solution?

0.125 Molar solution! Molarity = moles of solute/Liters of solution Algebraically manipulated, Moles of copper sulfate = 2.50 Liters * 0.125 M = 0.313 moles copper sulfate needed ===========================


How many moles of NaI would you need to prepare 2L of a 2M NaI solution?

599.6


How many liters are needed to make a 0.25 M solution with 0.50 moles moles of C12H22O11?

To find the volume of solution needed, you can use the formula: moles = Molarity × Volume. Rearranging the formula to solve for volume: Volume = Moles / Molarity. Plugging in the values, you get Volume = 0.50 moles / 0.25 M = 2 liters of solution needed.