summerr123456ray summerr123456ray

17-03-2020
Chemistry

contestada

How many moles are there in 45.6 grams of yttrium?

Respuesta :

lynnooo lynnooo

17-03-2020

number of moles = mass/ molar mass
= 45.6g / 88.90g/mol
= 0.512 moles

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