Question

EXAMPLE 1.15 Calculate the number of moles for
(a) I million atoms of sodium​

Answer 1

Explanation:

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Answer 2

Answer:

The number of moles in a system can be determined using the atomic mass of an element, which can be found on the periodic table. This mass is usually an average of the abundant forms of that element found on earth. An element's mass is listed as the average of all its isotopes on earth.

Explanation:

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