Question

A quantity of aluminium has a mass of 54.0 g. What is the mass of the same number of magnesium atoms?
(At. wt. Al = 27, Mg = 24)

Choose answer:

12.1 g


23.3 g


48 g


97.2 g

Answer 1

Answer:

48 g

Explanation:

No. of moles of aluminium = 54/27 = 2 moles

Hence we will have 2 moles of magnesium also

2 moles of magnesium = 2*24 = 48 g

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