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Chapter 1 – Fundamentals of Chemistry Multiple Questions and Answers.
| 12. | Which one of the following pairs has the same mass? | ||
| A. | 1 mole of CO and 1 mole of N2 | ||
| B. | 1 mole of CO and 1 mole of CO | ||
| C. | 1 mole of O2 and 1 mole of N2 | ||
| D. | 1 mole of O2 and 1 mole of CO | ||
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