Check the statements below that are TRUE. Group of answer choices The A/HA term is unitless The units on [A] and [HA] can be in moles or molarity because the final volume will cancel in the ratio You can use whatever numbers are provided for [A] and [HA] even if the initial concentrations are not in the same solution. The units on [A] and [HA] don't matter because A/HA is unitless

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e