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The question, as stated, cannot be answered sensibly. A millilitre is a measure of volume, with dimensions [L3]. A milligram is a measure of mass, with dimensions [M]. The two measure different things and elementary dimensional analysis teaches that you cannot convert between measures with different dimensions such as these without additional information.

As a simple mental exercise consider a millilitre of air and of water. They will have very different masses.

Q: How much is 0.9 ml in mg?

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Does not convert; milligrams (mg) and grams (g) are measures of weight or mass and mL (milliliters) is a measure of volume.

You can not directly equate mass (mg) and volume (ml) without knowing the density of the substance being measured. For instance 9mg of liquid mercury would occupy a much smaller volume than 9 mg of water.

1 liter of water weighs 1 kg so 1 ml of water weighs 1 mg so 5 ml of water weighs 5 mg

You have to give 3 times 5 mg = 15 mg therefore you have to give 3 times 2 ml = 6 ml (15 mg = 6 ml of whatever that bottle contains).

depends on the substance density

Related questions

480ml

sorry ! mg (milligrams) is a unit of mass (or weight) mL (milliliters) is a unit of volume.

ml is a measure of volume; mg is a measure of mass. The mass of each ml depends on the density of the substance you are dealing with.

Does not convert; milligrams (mg) and grams (g) are measures of weight or mass and mL (milliliters) is a measure of volume.

Does not convert; milligrams (mg) and grams (g) are measures of weight or mass and mL (milliliters) is a measure of volume.

2.5 mg is how much

0.4 mg to ml

That depends what substance is in the 500 ml volume, and how much mass is in each ml of that substance. If the 500 ml are full of stones or lead, they contain many many mg of mass. If the 500 ml are full of water, they contain roughly 5,000 mg of mass. If the 500 ml are full of air, they contain far fewer mg of mass. If the 500 ml are empty, they contain no mg of mass at all.

The solubility of piperine in ethanol is about 26 mg/mL. This means that in 1 mL of ethanol, you can dissolve up to 26 mg of piperine.

262 mg to ml

The conversion from milligrams (mg) to milliliters (ml) depends on the density of the substance. Without knowing the substance's density, the conversion is not possible.