convert  1. 0.7 pg into ng   2. 13 dm to mm   3. 2.5x10-15 mole into pmole   4. 3.5 x105μm into cm   5. 50.0000 km/h into m/s   6. 50.0000 μg/ml into g/L   7.. 26.30 μmole/mL into mole/L

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