A piece of gold has a mass of 12.6 g. How many moles of gold are present in it? (Relative atomic mass of Au = 197)
Answers
Answered by
2
Answer:
0.0640
Explanation:
the formula is mol = mass/relative atomic mass
so, just plug it in the formula:
12.6g/197 = 0.0640 mol
voila!
Answered by
3
Answer:
Dear
No. of moles of gold = Given mass/Relative atomic mass=12.6/197=0.063 moles of Au
Therefore, 0.063 moles of Au present in it.
Regards,
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