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Question

Chemistry Question on Some basic concepts of chemistry

1.2 g of Mg (At. mass 24) will produce MgO equal to

A

0.05 mol

B

40 g

C

40 mg

D

4 g

Answer

0.05 mol

Explanation

Solution

24 g24\,g of Mg produce MgO=1MgO=1 mol 1.2 g1.2\,g of Mg produce MgO =1×1.224=\frac{1\times1.2}{24} =0.05=0.05 mol