risarod8224 risarod8224
  • 21-09-2019
  • Chemistry
contestada

What is the volume in mL of a 2.48 M Nal solution that contains 63.5 grams of Nal? (1.1 mL) 1.4.c

Respuesta :

ConcepcionPetillo ConcepcionPetillo
  • 24-09-2019

Answer:

The volume of NaI is 170.8 mL

Solution:

As per the question:

Mass of NaI = 63.5 g

Molarity of NaI solution = 2.48 M

Now,

We know that molar mass of NaI = 149.89 g/mol

To calculate the moles of NaI, we use:

[tex]Moles = \frac{Mass\ of\ NaI}{Molarity}[/tex]

[tex]Moles = \frac{63.5}{149.89} = 0.424[/tex]

Also,

Molarity = [tex]\frac{Moles}{Volume\ of\ NaI}[/tex]

Volume of NaI = [tex]\frac{0.424}{2.48} = 0.1708 L = 170.8 mL[/tex]

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