I need help plsss for number 2 you do not have to do it.

What is the molality of a solution that has 4 mol of kci in 0.800 kg of water

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

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.