Which of the following is NOT an optical disk used in computer system?
How many moles of helium are in 16 g of the element
24.09 × 1023
6.02 × 1023
1.505 × 1023
16 × 6.02 × 1023
How many moles of helium are in 16 g of the element
24.09 × 1023
6.02 × 1023
1.505 × 1023
16 × 6.02 × 1023
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