arianagonzalez093
arianagonzalez093 arianagonzalez093
  • 02-04-2020
  • Chemistry
contestada

What volume of a 1.2 M solution of Na2CO3 can be made from 800 ml. of a 1 point
4.2 molar solution of this solute? (answer in Liters)

Respuesta :

Neetoo
Neetoo Neetoo
  • 09-04-2020

Answer:

V₂ = 2.8 L

Explanation:

Given data:

Initial volume = 800 mL ( 800/1000 = 0.8 L)

Initial molarity = 4.2 M

Final volume = ?

Final molarity  = 1.2 M

Solution:

Formula:

M₁V₁ = M₂V₂

M₁ = Initial molarity

V₁ = Initial volume

M₂ = Final molarity

V₂= Final volume

M₁V₁ = M₂V₂

4.2 M × 0.8 L  = 1.2 M× V₂

3.36 M.L =  1.2 M× V₂

V₂ = 3.36 M.L/1.2 M

V₂ = 2.8 L

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