Answers edited by Ayako_Sho

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• What volume does #7.54 * 10^25# atoms #Ne# occupy at STP?
  
• How do you convert #1.75 * 10^26# atoms of potassium to moles?
  
• Question #d35e5
  
• How do you simplify #4 (2a + 2) - 17#?
  
• How would you calculate the molecular formula of a compound?
  
• Question #80bdd
  
• What is the mass of a 132 lb human in kilograms?