summerr123456ray summerr123456ray
  • 17-03-2020
  • Chemistry
contestada

How many moles are there in 45.6 grams of yttrium?

Respuesta :

lynnooo
lynnooo lynnooo
  • 17-03-2020
number of moles = mass/ molar mass
= 45.6g / 88.90g/mol
= 0.512 moles
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