Prevacid is used to treat gastroesophageal reflux disease (GERD). The chemical formula of Prevacid is C16H14F3N3O2S. a. What is the molar mass of Prevacid?
b. What mass of fluorine is in 0.75 mol of Prevacid?
c. What number of carbon atoms is in 0.75 mol of Prevacid?
d. What is the mass of 4.25 3 1021 molecules of Prevacid?

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.