A. 6.02 x 10²³
B. 3.01 x 10²²
C. 6.02 x 10²²
D. 5. 08 x 10²²
E. 3.01 x 10²²
Correct Answer:
Option C – 6.02 x 10²²
Explanation
1g Al = 6.02×10²³ /27
2.7g Al = (6.02×10²³ / 27)×2.7
= 6.02×10²²Al atoms
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