naidat01 naidat01

08-06-2020
Chemistry

contestada

Calculate the number of moles of MgO if the mass of MgO (magnesium oxide) is 50 g?

Please help... I will mark the answer with brainlist...

Respuesta :

enasyazzs enasyazzs

08-06-2020

Answer:

1.24mol

Explanation:

m(MgO)=50g

molar mass=40.30g/mol (i search in google coz dosnt have book)

n=mass/molar mass

=50/40.30

=1.24mol

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