Which of the following is not a property of a base? explain your answer.
change red litmus to blue
feel slippery to the touch
produce oh- ions
have a sour taste

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 .