Question

Calculate the number of moles of
magnesium oxide, MgO in i. 80 g and
ii. 10 g of the compound. (Average
atomic masses of Mg = 24 and O = 16)

Answer 1

Answer:

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Answer 2

Explanation:

mole= 80 g / 40 g/mole

= 2 moles MgO

2. 1/4 moles MgO