I guess we will need to take our lunch to Mars for some time before we are able to produce food there! But do we need to take a saltshaker too?
Can we extract editable salt from the crust of Mars, Moon, Titan or Europa?
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2If your question is about extraction of one salt from a mixture of salts, it's not about Astronomy. If you'd like to ask how much sodium and chloride are in salts found on these bodies, that would be on-topic. – uhoh Feb 12 '21 at 03:40
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The principle elemental abundance is not that different, the actual chemistry is. so you likely will have to crack Regolith and create you salt from that – planetmaker Feb 12 '21 at 06:11
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5The question seems a more appropriate fit to https://chemistry.stackexchange.com/ – B--rian Feb 12 '21 at 09:59
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2@B--rian Indeed, there's both a salt on Mars and a rust on the Moon question there: Which “exotic salt” can lower water's freezing point by 70 °C? and Why and how is rust forming on moon? – uhoh Feb 12 '21 at 11:14