Respuesta :

MissPhiladelphia

To solve this we use the equation, 

M1V1 = M2V2

where M1 is the concentration of the stock solution, V1 is the volume of the stock solution, M2 is the concentration of the new solution and V2 is its volume.

2 M x V1 = 1.50 M x 100 mL

V1 = 75 mL of the 2 M KNO3 solution

samueladesida43

75 milliliters of a stock solution of 2.00M KNO3 would you need to prepare 100ml of 1.50M KNO3.

HOW TO CALCULATE MOLARITY:

The molarity of a solution can be calculated by using the following expression:

M1V1 = M2V2

Where;

  • M1 = initial concentration
  • M2 = final concentration
  • V1 = initial volume
  • V2 = final volume

According to this question,

  • M1 = 2.0M
  • M2 = 1.5M
  • V1 = ?
  • V2 = 100mL

2 × V1 = 100 × 1.5

2V1 = 150

V1 = 75ml

Therefore, 75 milliliters of a stock solution of 2.00M KNO3 would you need to prepare 100ml of 1.50M KNO3.

Learn more about volume at: https://brainly.com/question/12127540

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