Different brands and grades of sodium alginate may react differently. In the larger bowl, mix together 4 cups of cold water with 1 tsp. of calcium lactate with a large spoon until the calcium lactate ...

Divide calcium chloride solution among 30 labeled cups. Divide sodium alginate solution among 30 labeled cups. Provide each student with a calcium chloride cup, a sodium alginate cup, a syringe, a ...