Question

1

An unknown substance has a hydronium concentration of [H3O+]=6.8 x
10^-11 M. What kind of substance is this?
A. acid
B. base
C. neutral
D. saline​

Answer 1

Answer:B

Explanation:ph = -log H+

PH =-log 6.8 x 10 -11

Ph = 10.2 basic

Answer 2

D. Saline

Step-by-step explanation:

coz it's saline