salt doesn't change the temperature of water, it changes the freezing point. salt lowers the freezing point of water so that it will become ice at a lower temperature, therefor melt at a lower temperature which is why salt is put on the roads when it is icy
just add salt to fresh water
add salt
if you add baking soda to warm or cold water it will dissolve better and faster than salt!
SALT
add salt to the water
Water,
Fill a glass with water and add salt out of its container to the water and stir. Voila you've got salt water.
350grams
You can separate them by filtration and it would help because when you add water the sand would stay because you would have to add cold water so that the sand will stay and the salt will go through.
You add salt in your water.
Water,
Assuming you mean a solution of salt, you would add WATER.