Why does plain water rust nails in closed jars more than saltwater(2tsp/c)?

Subject: Why does plain water rust nails in closed jars more than saltwater(2tsp/c)?

Date: Wed Feb 18 20:42:41 1998
Posted by Peter Gibson
Grade level: K-3
School: Whitney Young Elementary
City: Fort Wayne State/Province: IN
Country: US
Area of science: Chemistry
ID: 887856161.Ch

Message:


I thought saltwater would rust nails more, but plain water did.  Also,
why did nails in 7-up and vinegar not rust at all? (They have been in 
the closed jars for 2 weeks).

Re: Why does plain water rust nails in closed jars more than saltwater(2tsp/c)?

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