MCQOPTIONS
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| 1. |
What is the number of particles present in 1 mole of any substance? |
| A. | 6.022 × 1023 |
| B. | 6.023 × 10-22 |
| C. | 6.022 × 10-23 |
| D. | 6.023 × 1022 |
| Answer» B. 6.023 × 10-22 | |