A 160.0-mL solution contains 2.15 g of sodium benzoate and 2.79 g of benzoic acid. Calculate the pH of the solution. For benzoic acid, Ka=6.5×10−5. Express your answer using two decimal places.

In salt water solution, the salt is the blank

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.