3) After performing a reaction in aqueous solution, a student determines the hydrogen ion concentration, (H+), to be 2.3 x 10-7 M. What would be the best way to label this
solution?
A) Acid
B) Base
C) Neutral
D) pH buffer

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride