# Chemistry

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How do you convert 25.0 mg/mL to cc?

• Chemistry -

You can't without knowing the mass.

or do you mean

How do you convert 25.0 mg/mL to mg/cc?

• Chemistry -

the mass is 225 lb

• Chemistry -

OK so you need to convert the mass of 225 lb to mg.

if we take 1 lb =454 g, or the conversion factor is 454 g lb^-1

then 225 lb is

225 lb x 454 g lb^-1

which in mg is

M = 225 lb x 454 g lb^-1 x 1000 mg g^-1

volume = mass/density

volume = M/(25.0 mg/mL)

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