KaelanL388347 KaelanL388347
  • 26-10-2022
  • Chemistry
contestada

How many mL of a 1.75M NaF solution are required to make 681 mL of a 0.234 M NaF solution?

Respuesta :

IzayahC321492 IzayahC321492
  • 26-10-2022

1) List the known and unknown quantities.

Initial conditions.

Concentration: 1.75 M NaF.

Volume: unknown.

Final conditions.

Concentration: 0.234 M NaF.

Volume: 681 mL.

2) Set the equation.

[tex]C1V1=C2V2[/tex]

3) Plug in the known quantities and solve for V1.

[tex](1.75\text{ }M\text{ }NaF)(V1)=(0.234\text{ }M\text{ }NaF)(681\text{ }mL)[/tex][tex]V1=\frac{(0.234MNaF)(681mL)}{1.75\text{ }M\text{ }NaF}[/tex][tex]V1=91.06\text{ }mL[/tex]

We need 91.06 mL of a 1.75 M NaF solution to make 681 mL of a 0.234 M NaF solution.

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