Help help... ?

howmany grams make 30 ml.

Answer:
A gram is a unit of weight and a milliliter is a unit of volume. To convert one to the other you need to know what substance you are measuring. If you are measuring water then one milliliter weighs one gram. If you are measuring mercury then one milliliter weighs 13.59 grams.
Depends on the density. If it's water or any dilute solution in water - it's 30g!

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