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Mole Concept

Calculate the...

Question

Calculate the number of gram atomic mass of magnesium present in a magnesium ribbon weighing $12 g$ . Gram atomic mass of magnesium is $24 g$ . [2 marks]

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Solution

$Gram atomic mass of magnesium$ = $24 g$
$Number of gram atomic mass$ = $\frac{Given mass}{Gram atomic mass}$ [1 Mark]
$Number gram atomic mass of Mg$ $= \frac{12 g}{24 g} = 0.5$ .
[1 Mark]

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