What volume of solution would be needed to deliver 3.0 mg of a drug if the concentration of the drug in the solution was 3.5% (m/v)? Show work please

The correct answer is "85.71 mg".

Explanation:

The given values are:

Mass of drug,

= 3.0 mg

Mass percentage,

= 3.5%

As we know,

⇒  

Or,

⇒  

On substituting the values, we get

⇒                              

⇒                              

⇒                              

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