how many grams of dry nh4cl need to be added to 2.20 l of a 0.600 m solution of ammonia, nh3, to prepare a buffer solution that has a ph of 8.50? kb for ammonia is 1.8×10−5.

What happens when the temperature of a solution increases?

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state. a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients