200
Procedure
1. Fill 3 cups with 200 milliliters of cold tap water.
2. Add 15 grams salt to cup 1 and stir, add 25 grams to cup number 2 and stir, add no salt to cup 3.
3. Place all cups in freezeer
4. Check results every 15 minutes and record results.
Two constants that do not change in the experiment are?
What is ? 1. amount of water. 2. Placing in the freezer 3. Checking every 15 minutes (Any of these answers are correct.