Question

Cost of sugar (C12 H22 O11) is 40rs per kg ;calculate ite cost per mole.

Answer 1

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 40×342/1000=13.68 Rupees.

Thanks.
Tripathy

Answer 2

We can solve this problem very easily if we understand the molar masses of the commodities.

One mole of sugar is a considered as atomic mass.

The atomic mass of sugar is 342 g. Rate of 1 kg of sugar is 40 Rs.

Thus, the rate of 342 gram of sugar= 40x342/1000 = 13.68 Rupees.