Question

Calculate number of moles present in one kg of water

Answer 1

Answer:

First convert the mass in kg to g ( 1kg=1000g). Now 18g of H20 is equivalent to 1 mole. Hence, 1000g of it would be equal to 1000/18 moles. This comes out be 55.55 moles.

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Answer 2

Answer:

We know that,

No.of moles=weight/gram molecular weight

n=1000/18

n=55.5

:.No.of moles=55(approximately).

Explanation: