To create a green patina, soak the coin in a mixture of white vinegar, non-detergent ammonia, and iodized salt. After it is soaked, then spray it with Windex and let it sit overnight.
The metal that will turn green in vinegar is copper. Many people place copper in vinegar as a way to give it a very fast patina.
Salt &vinegar
I usually find vinegar is a good replacement for vinegar...
Vinegar is actually mostly water. It generally does not contain any salt.
Salt has a diluting effect on vinegar. When salt is mixed with vinegar, it lowers the acidity and reduces the sour taste. The salt also enhances the overall flavor, making the vinegar taste less acidic and more balanced.
10 penies or 10 cent.
Vinegar is a polar solvent and salt is a polar solute. Therefore vinegar dissolves salt. Plus, salt's are very soluable and will almost always completely disassociate when added to water(you vinegar isn't 100% vinegar, there's also lots of plain water than salt can dissolve in.)
rice vinegar, sugar, and salt.
Red wine vinegar in its purest form does not have salt. Only dressings containing the vinegar may have salt. No pure vinegars have salt as an ingredient in them.
Yes water and vinegar form a stable solution.
No, unless you get a seasoned vinegar. Plains white vinegar, cider vinegar, red or white wine vinegar, rice vinegar, champagne, raspberry vinegar -- all should be sodium free. Check the label if you're worried -- any sodium would be added and therefore must by law be posted on the nutritional label on the back of the bottle.