Answers edited by Ayako_Sho

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