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How many mg in 1 litre?

Updated: 8/11/2023
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8y ago

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Gram is a weight measure, and Litres are a volume measure. If you have 1 liter of water, then it weighs 1000 grams (assuming that it is at standard temperature and pressure [STP]). If it is 1 liter of something else, then the number of grams differs.

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9y ago
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11y ago

None.

A milligram is a measure of mass. A litre 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 litre of air. How many milligrams? Next consider a litre 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.

Some people still believe that there is a conversion in relation to pure water but that is only approximately true. Until 1964 (nearly 50 year ago!) a litre was defined as the volume of one kilogram of pure water at 4 degrees Celsius and at a pressure of 760 millimetres of Mercury. With that definition a conversion would have been valid - but only for pure water and only under those conditions. In any case that definition of a litre was abandoned in favour of 1 litre =1000 cubic centimetres.

In fact the density of pure water, at 4 deg C and 760 ml of mercury is 999.9720 kg/metre3

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8y ago

There is no answer because milligrams is a measurement of weight and 1 L is volume. If you meant how heavy 1L is in milligrams, this depends on the substance's density.

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12y ago

3.78

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10000 litres * 5 mg/1 litre * 1 g/1000 mg = 50 grammes.


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How many deciliters makes 1 liter?

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How many 0.125 mg are in 1 mg?

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How do you prepare 1 liter of 100ppm NaCl solution?

Dissolve 100 mg NaCl in 1.0 Litre water.


How many is one thousandth of a liter?

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How many mg in an mg?

1?


How many liter equal 1mL?

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How many Grams is in a mg?

1 metre= 10 decimetre1 kilometre= 1 metre1 millilitre=1 cubic centimetre1/4 litre=250 millilitre1 grams=1000 milliligrams