How many mL of 0.105 M AgNO3 are needed for an experiment that requires 0.00510 mol of AgNO3? How many mL of 0.105 M AgNO3 are needed for an experiment that requires 0.00510 mol of AgNO3? 17.8 mL 0.536 mL 18.70 mL 48.6 mL 20.6 mL

Respuesta :

Answer:

48.6 mL

Explanation:

Considering

[tex]Moles\ of\ the\ solution=Molarity_{stock\ solution}\times Volume_{stock\ solution}[/tex]

Given  that:

Moles of the solution to be made = 0.00510 mol

[tex]Volume_{stock\ solution}=?[/tex]

[tex]Molarity_{stock\ solution}=0.105\ M[/tex]

So,  

[tex]0.00510\ mol=0.105\ M\times Volume_{stock\ solution}[/tex]

[tex]Volume_{stock\ solution}=\frac{0.00510}{0.105}\ L=0.0486\ L[/tex]

The volume of 0.105M stock solution added = 0.0486 L

1 L = 1000 mL

So, volume needed = 48.6 mL

The volume of 0.105 M AgNO3 needed for an experiment that requires 0.00510 mol of AgNO3 is 48.6mL.

How to calculate volume?

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

Molarity = no of moles ÷ volume

Volume = no of moles/molarity

According to this question, 0.105 M AgNO3 are needed for an experiment that requires 0.00510 mol of AgNO3.

Volume of AgNO3 = 0.00510 ÷ 0.105

Volume = 0.0486L = 48.6mL

Therefore, the volume of 0.105 M AgNO3 needed for an experiment that requires 0.00510 mol of AgNO3 is 48.6mL.

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