The following data were obtained when a cold-worked metal was annealed. (a) Estimate the recovery, recrystallization, and grain
1 answer:
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Answer :
The number of gold atoms in nanogram is,
The number of gold atoms in picogram is,
Explanation :
As we know that the molar mass of gold is, 196.97 g/mole. That means, 1 mole of gold has 196.97 grams of mass of gold.
As we know that,
1 mole contains number of atoms.
First we have to determine the number of gold atoms in a nanogram.
As, 196.97 grams of gold contains number of gold atoms
And, 1 grams of gold contains number of gold atoms
So, nanograms of gold contains
number of gold atoms
The number of gold atoms in nanogram is,
Now we have to determine the number of gold atoms in a picogram.
As, 196.97 grams of gold contains number of gold atoms
And, 1 grams of gold contains number of gold atoms
So, picograms of gold contains
number of gold atoms
The number of gold atoms in picogram is,