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# If in a stick of chalk, carbon is 3g, what is the weight of the chalk stick?

Q.7.(ii)    If in a stick of chalk, carbon is 3g, what is the weight of the chalk stick?

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We have the weight of the carbon = 3g
Therefore, the weight of the chalk
$\Rightarrow \frac{3}{3}\times 25g = 25g$

Hence the weight of the chalk is 25g

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