tiannah024 tiannah024
  • 15-07-2020
  • Chemistry
contestada

which solution 1.0m MgCl2 or 1.0m. NaNo,
should have the greatest osmatic pressure?
-1.0m MgCl₂
• -1.0m NaNO3

Respuesta :

znk
znk znk
  • 19-07-2020

Answer:

1.0 mol/L MgCl₂

Explanation:

The formula for osmotic pressure is

Π = icRT

The only difference between the two solutions is their i factor.

MgCl₂

MgCl₂ ⟶ Mg²⁺ + 2Cl⁻

I = 1 + 2 = 3

NaNO₃

NaNO₃ ⟶ Na⁺ + NO₃⁻

i = 1 +1 = 2

MgCl₂ has a greater i value, so its solution has the greater osmotic pressure.

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