a compound is found to have an empirical formula of CaH2PO2. the actual molar mass of the compound is found to be 420.264 g/mol. determine the molecular formula for this compound.

What is the mass of phosphorous in a 51-kg person

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.

What is produced from neutralization of an acid and a base? a. hydronium ions b. citric acid c. salt and water