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There can be no equivalence.
A milligram is a measure of mass. A millilitre is a measure of volume. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid.
If you are not convinced, consider a millilitre of air. How many milligrams? Next consider a millilitre of lead. How many milligrams? The masses of equal volumes of the two substances will clearly be very different. So there is no direct conversion between mass and volume: you need to know the density of the substance to enable you to carry out the conversion.
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If 5 mg equals 1ml how many ml to give a 2 mg dose?
To determine how many milliliters (ml) to give for a 2 mg dose when 5 mg equals 1 ml, you can set up a simple ratio. 5 mg is to 1 ml as 2 mg is to x ml. Solving for x, you get: 5/1 = 2/x. Cross multiplying gives you 5x = 2, and dividing by 5 on both sides gives you x = 2/5 or 0.4 ml. Therefore, you would need to give 0.4 ml for a 2 mg dose.
How many mg are in 2 ml?
This cannot be sensibly answered. Milliliters (mL or ml) and liters (L) are measures of volume. Grams (g), kilograms (kg) and milligrams (mg) are measures of weight or mass.
How many mg in lidocaine 1 percent 2 ml?
20mg
If 50 mg equals 5 mL How many 500 mg tablets you will need to make 100 mL of suspension?
50mg ---> 5ml ?mg -----> 100ml Use the cross mutliplication method to find ? 50 x 100 / 5 = ? ? = 1000mg Answer is 2 x 500mg tablets
How much Cu-61 would remain from a 2 mg sample after 9 hrs?
.25 mg
