A solution of 7. 11 g of a carbohydrate in 750 mL of solution has an osmotic pressure of 1520 mmHg at 20oC. Molar mass of the carbohydrate is [R=0. 0821 L atm /K mol].

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?

Which statements are true for invasive species? 1. they always stabilize an ecosystem. 2. they’re always successful in adjusting to a new habitat. 3. they often compete with the native species for resources. 4. they have the ability to displace the native species. 5. they’re always pests.

When was napoleon banopart born?