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Mole Concept and Avogadro's Number

Cost of sugar...

Question

Cost of sugar $(C_{12} H_{22} O_{11})$ is 40 kg : calculate its cost per mole.

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Solution

One mole of sugar is a mass=atomic mass
Atomic mass of sugar=342 gram.

Rate of 1 kg is 40 Rs .

So rate of 342 gram will be $fraction numerator 40 cross times 342 over denominator 1000 end fraction$ =13.68 Rupees.

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