Answer:
D- a weak base
Explanation:
The ph scale goes from 1-10 a solution over 7ph is classified as basic. A solution thats 8.4 is only 1.4 over 7pH, making it a weak basic solution. An example of a strong base would be a solution with a pH of 9.2 (for example).
A
because number of particle = moles × 6.02 × 10^23
which gives the answer as an A
hola no ablo inalgun moderador puede acabar a este otro este me borró respuesta que no debió borrar
