How long does rock salt last when applied to snow/ice? days?

Subject: How long does rock salt last when applied to snow/ice? days?

Date: Mon Mar 5 14:33:55 2001
Posted by Andrea
Grade level: nonaligned School: No school entered.
City: lake orion State/Province: MI Country: USA
Area of science: Chemistry
ID: 983820835.Ch

Message:


Does there need to be rock salt reapplication during ice storms or will the 
rock salt last if it hasn't previously dissolved?  Do the chemicals become 
inert after a few days?

Re: How long does rock salt last when applied to snow/ice? days?

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