Which nonprescription drug is commonly abused by teens? Ritalin
aspirin
OxyContin
cough syrup
Report the problem to the local authorities.

Calculate the ph at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (c2h5nh2) with 0.1000 m hcl solution. the volume of the solution at the equivalence point is 250.0 ml. kb forethylamine is 4.7 × 10−4 .