Question

The cost of common salt is Rs. 10 / kg. Calculate its cost per mole.​

Answer 1

Question:-

The cost of common salt is Rs. 10 / kg. Calculate its cost per mole.

Answer:-

Gram molecular mass of nacl= 23+35.5= 38.5

cost of 1000g of nacl = ₹10

cost of 1g of nacl = ₹10/1000

Cost of 58.5g of nacl = 10/1000×58.5

=₹0.58

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