Which carbon(s) in the Fischer projection below is/are a chirality center?  

A solution is prepared by dissolving 1.5 g of NaCl in enough water to produce a total solution volume of 750 mL. What is the concentration of the solution in % m/v?

The Fischer projection for fructose is shown below. Is it a D-sugar or an L-sugar?          

What type of reaction is the following reaction of hydrochloric acid with propene?  

Which of the following molecules is a nucleotide?  

Which molecule is chiral?  

Does formaldehyde have a permanent dipole?  

Select the TRUE statement concerning rate of reactions.

An order is given to administer 15 g of lactulose, often used for treating complications of liver disease. The lactulose syrup has a concentration of 10. g/15 mL. What volume, in milliliters, of syrup should be given to the patient? Show the calculation.

A blood sample has a pH of 7.42. What is the concentration of hydronium ion in the sample?