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> If not, wouldn't you expect to hear about... I've certainly heard about such: https://www.usgs.gov/mission-areas/water-resources/science/arsenic-and-drinkin

> If not, wouldn't you expect to hear about... I've certainly heard about such: https://www.usgs.gov/mission-areas/water-resources/science/arsenic-and-drinking-water https://www.usgs.gov/mission-areas/water-resources/science/a... > lead, being heavier than water, drop out of the groundwater Sodium chloride is over twice as heavy as water, and yet doesn't 'drop out' of it.

anthonyu 3y ago
A bit of a bad analogy as, in water, the sodium and chloride are not bound together; rather, the ions are separately distributed throughout and wouldn't have the same density that they would have in a dry, crystal, ionically bound form.