2 Answers
Instructions
1
Convert your milligrams into grams since this will make your calculations easier later. Do this by dividing your milligrams by 1,000 or by simply moving the decimal 3 places to the left. For example, 182 mg of titanium will become 0.182 g.
2
Determine the specific gravity of your substance by either consulting a table of specific gravities for various substances or by using the formula "specific gravity = density of substance / density of water". Use 1,000 kg/m^3 as the density of water and use the density of the substance provided to you in the data you have or look it up in a scientific reference. Plug these values into the equation to determine your specific gravity. For example, the density of titanium is 4,507 kg/m^3 so take that divided by 1,000 kg/m^3 and you get a specific gravity of 4.507. Note that units are not necessary with specific gravity.
3
Put the mass and specific gravity data into the formula "volume = mass / specific gravity," which will also look like "milliliters = grams / specific gravity" in terms of units. For example, using the data above, milliliters = 0.182 g / 4.507 = 0.04 mL. So, 182 milligrams of titanium is equal to 0.03 milliliters of titanium.
Read more: How to Calculate Milligrams to Milliliter | eHow.com http://www.ehow.com/how_6973088_calculate-milligrams-milliliter.html#ixzz24EPZlfGG
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