Can anybody help to answer this question?

Asked by  | 30th Apr, 2008, 12:59: PM

Expert Answer:

each at.wt in grams contain avogadrows number of atoms.

In this case Na at.wt is 23, 23g of Na has 6.o23 X 1023 atoms of Na.

if the power is reduced or increased then the decimal point shifts accordingly. (maths)

Answered by  | 7th May, 2008, 08:52: AM

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