Respuesta :

We need moles of Ca(OH)_2

  • Molarity=Moles/Volume in L
  • 0.025=Moles/1.5
  • Moles=1.5(0.025)
  • Moles=0.0375mol

Molar mass of Ca(OH)_2=74g/mol

Now

  • Mass=Molar mass×Moles
  • Mass=0.0375×74
  • Mass=2.77g

Option C