Answers edited by Kuba Dolecki

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• How can the periodic table be used to determine molar mass?
  
• What balanced equation represents a redox reaction?
  
• What is the VSEPR shape of the molecule #PF_3#?
  
• I have a question about how the answer is rendered. I have noticed that many HTML codes seem to work in the preview of the answer but don't appear the final answer. Why are these blocked?
  
• Describe how would you prepare 1 L of a 1 M solution of sodium chloride. The gram formula weight of sodium chloride is 58.44 g/mol.
  
• Question #bf98d
  
• Question #25a9e
  
• How do nonmetals bond?
  
• How do you find the points where the tangent line is horizontal given #y=16x^-1-x^2#?