A solution is prepared by dissolving 55.55g of NH4Cl into enough water to make 250.0 mL of solution. calculate the molarity.

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

Complete each row of the table below by filling in the missing prefix or missing exponent.