A29.00 ml sample of an unknown h3po4 solution is titrated with a 0.130 m naoh solution. the equivalence point is reached when 27.73 ml of naoh solution is added.

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

What volume of a 0.0606 m solution of strontium bromide is needed to obtain 0.340 mol of the compound? question 42 options: a)5.61 l b) 3.4 l c) 600 ml d) 1 l e) 178 ml

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.