Respostas

  • Usuário do Brainly
2014-04-09T15:04:57-03:00

MMNaCl = 23 + 35.5 
MMNaCl = 58.5g/mol 


C = n/v 
C = 0.4 moles/ 2 l 
C = 0.2 moles/l ou 0.2 M. 

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