Which compounds below share the same empirical formula?
A. C2H6 and CH
B. C2H2 and C2H
...
Answers: 3
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What is the result of multiplying (2.5 × 1010) × (2.0 × 10-7)? a. 5.0 × 103 b. 5.0 × 10-3 c. 5.0 × 1017 d. 5.0 × 10-17
Answers: 1
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