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12. While doing an expenment, you start with a Control Group by filling one 400ml beaker with 250mL of cold water and another 400ml beaker with 250mL of hot water. You place 1 seltzer tablet in the beaker and time how fast it dissolves. In
the next experiment you fill a 250ml beaker with 250ml of cold water and another 250ml beaker with 250mL hot water. You place 1 seltzer tablet in the beaker and time how fast it dissolves. What is the Independent Variable in this
experiment?
The Seltzer Tablet
The Volume of Water
The Temperature of the Water
The size of the Beaker
The glass that the beaker is made of



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