Be sure to answer all parts. How many mol of platinum (Pt) atoms are equivalent to...
| Be sure to answer all parts. How many mol of platinum (Pt) atoms are equivalent to one billion platinum atoms? Enter your answer in scientific notation. _×10_mol Pt (select)−11−19−9−17−13−15 |
Homework Answers
number of atoms = 1.0*10^9
Use:
number of mol = number of atoms / Avogadro’s number
= (1.0*10^9) / (6.022*10^23)
= 1.66*10^-15 mol
Answer: 1.7*10^-15 mol
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