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Oct 22nd, 2014
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  1. RAM: NACL (22+35.45)
  2. =57.45m
  3. mols= mass/molecular weight
  4. =o.25g/57.45m
  5. =0.004g/m
  6. diutions = c1*v1=c2*v2
  7. =0.25*100
  8. =25
  9. =0.004*100
  10. =0.4
  11. ans=25=0.4
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