Dirt or soil is a mixture of many particles. Each kind of particle in a bucket of soil has unique properties. Here are 4 particles that make up soil. What property would you use to separate the four particles ?

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 .