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Ex 1) 45.2 g of Zn = _____ moles Zn

Ex 2) 0.568 moles Ag = _____ grams Ag

User Annonymously
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1 Answer

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the molar mass of Zn is 65

  • number of mole(n)=reacting mass/molar mass
  • n=45.2/65
  • =0.70g/mol

2.the molar mass of Ag is 108

  • 0.568=m/108
  • then cross multiply
  • m=0.568×108
  • m=61.3g
User Eric Grange
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