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There can be no equivalence.

A gram 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 grams? Next consider a millilitre of water. How many grams?

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.

Many people believe that there is an exact conversion for pure water: that is not true. It is only an approximation and that has been the case since 1964 when the definition of the litre was changed.

Q: What is 4 grams in ml?

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Density = Mass/Volume = 100 grams / 4 mL = 24 grams per mL.

Density = Mass/Volume = 50g/12.5mL = 4 g per mL

Ml of what? If water then 25ml = 25grams, since the density is 1g/ml

That cannot be determined, for grams is a unit of weight and mL is a unit of volume.

Density = mass/milliliters Density = 10 grams/2 ml = 5 g/ml ---------------

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Density = Mass/Volume = 100 grams / 4 mL = 24 grams per mL.

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4 ml of water is 4 grams

its a wrong question.

Does not convert; one is a measure of weight and mL (milliliters) is a measure of volume.

The ratio is 7 grams to 4 ml.

That would depend on the density of whatever you are trying to measure.Mass divide by density would give you the correct answer, just make sure you use the right units.Example: Water has a density of 1 gram per ml.45 grams of water/ 1 gram per ml = 45 ml.

This cannot be sensibly answered. A milliliter (mL or ml) is a measure of volume, grams and milligrams are measures of weight or mass.

4 ml of water is equal to 24 grams

That depends on the density of the liquid. Water with a density of 1.0 has 4000 mg (4 grams) of mass in 4 ml. Mercury with a density of 13.6 has 54400 mg (54,4 grams) in the same volume, 4 ml.

The block has a density of 4 g/mL

12 grams of water is equal to 12,000 mg of water and is the same as 12,000 ml of water.