0.8gm of a divalent metal was dissolved in 100ml of 1.28N HCl and the solution was diluted to 200ml. Then,50ml of the solution required 54.6 ml of 0.22N NaOH for neutralization. Find the atomic weight metal.

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.