Question

The atomic mass of sodium is 23. The number of moles in 46g of sodium is

Answer 1

Answer:

2 moles

A mole is that amount of substance which contains exactly 6.022×1023 elementary particles. We can express the number of particles of the given substance in a much simpler way, in terms of moles. So here the number of moles of sodium of 46g sodium is 2 moles, the correct option is option (B).

Answer 2

Answer:

Mole of Na

= mass / atomic mass

= 46/23

= 2

Explanation:

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