Respuesta :

mosfara5478

Explanation:

mass = no. of moles x molar mass (Mr)

i- mass = 10.2 mol x 30 g/mol

            = 306 g

ii- mass of potassium hydroxide = 0.0146 mol x 56g/mol

                                                      = 0.8176g

  mass of calcium hydroxide= 0.0146mol x 74 g/mol

                                               = 1.0804g

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