How many moles of silver atome are in 1.8x10^20 atoms of silver?
a. 3.0x10^-4
b. 3.3x10^-3
c. 6.4x10^2
d.4.5x10^22
Answer: A
Chemistry
- Which of the following objects, all moving at the same speed, will have the highest de Broglies wavelength?
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