What is the pH of a solution with a 7.8 × 10−13 M hydronium ion concentration? A) 1.9
B) 2.8
C) 11
D) 12

Explanation:

The pH of a solution can be found by using the formula

From the question we have

We have the final answer as

Hope this helps you

i am going to put the answers in order i dint feel like typing it out so yeah

a

d

c

b

b

b

a

d

a

b

c

c

c

b

d

a compound is a molecule made of atoms from different elements.

a. by the combination of an unlimited number of elements