El sodio es un metal que reacciona vigorosamente con el agua, según la siguiente reacción: Na + H2O  NaOH + H2 Una muestra de 9,85 g de Na se adiciono a un vaso que contenía 63,11 g de agua. Durante la reacción se observó burbujeo de hidrogeno. ¿Cuántos gramos de hidrogeno se produjeron? a. 0,22 c. 0,86 b. 0,428 d. 1,29

An experiment is conducted to see if cats preferred skim milk or 2% milk. a cup of skim milkwas put out for 5 kittens and then measured how much the kittens drank over the course of aday. following a cup of 2% milk was purout for the skittens and then masured how much thekittens drank over the course of a day. the same kittens were used and the milk was served atthe same temperature. it was discovered that the cats liked the 2% milk more than the skimmilk. what is the dependent variable in this experiment?