A chip used in a microcomputer contains 5.74 × 10^-3g of silicon.
Calculate the number of silicon atoms in the chip
1
Expert's answer
2021-01-04T06:34:28-0500
Molar mass of silicon = 28 g ∵ 28 g of silicon contain 6.022×1023atoms ∴ 5.74×10-3g of silicon contain "\\frac{6.022\u00d710^{23}}{28}" ×5.74×10-3 =1.23451 × 1020 atoms
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