A nitric acid solution containing 71.0% HNO3 (by mass) is available in a laboratory. How many moles of HNO3 are present in 1.98 L of this solution?  

a. 

62.8 mol

 

b. 

31.7 mol

 

c. 

22.3 mol

 

d. 

 0.0316 mol

 

e. 

none of these

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What happens to the atomic radius when an elctron is lost

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.