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• The dialysis tube contained sucrose, NaCl, and starch and was placed in a beaker containing water and iodine. The bag started off clear then turned purple it also weighted 8.6 g at the beginning and 10 g at the end. Did water enter the dialysis tube?
  
• Question #45d03
  
• What is the number of valence electrons in sulfur?
  
• How do you solve #12x-4=32#?